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Ask-A-Scientist Archive

 Physics Topics

(November 1991- Current)

Table of Contents

  1. Pinewood Derby

  2. Wide tires

  3. Motorcycle turning

  4. How can bees fly?

  5. Velocity of a spacecraft

  6. Centrifugal force

  7. Drag Coefficient vs Air Velocity

  8. Bernoulli's Principle of flight

  9. Shower curtain attack

  10. Rolling cans, why do they roll different?

  11. Varying gyroscope weights

  12. Projectile motion

  13. How to determine the direction of Probability Amps?

  14. Why is the displacement symbol "s"?

  15. Mass vs weight

  16. Mass vs Weight - difference and how do you show it?

  17. Mass and gravity

  18. Matter and energy

  19. Energy to Matter under the hood?

  20. The Matter, Myth, and Mindwalk

  21. Vector Problems

  22. Buoyancy help

  23. Volume Displacement

  24. Recoil and rail guns

  25. 2000 Pounds of Pigeons!

  26. Velocity of raindrops

  27. Navier-Stokes equations

  28. Flames and 0-gravity

  29. Skating on ice

  30. Entropy needs help?

  31. Harmonic oscillator energy levels

  32. Solar energy and color

  33. The color yellow

  34. Heat Absorption vs. Color

  35. Cooling off in a hot room w/ colored t shirt??

  36. Coated glasses

  37. How does gravity get out of a black hole?

  38. Gravitational field, effects, generating

  39. Can gravity vanish when mass turns to energy?

  40. What causes gravity?

  41. Gravity act on mass or energy of a photon?

  42. Donut shaped planet

  43. Six Dimensions and Star Trek

  44. Time travel

  45. Why do we call the time dimension 'imaginary'?

  46. 4-D Spheres

  47. Existence of time

  48. What is the significance of permittivity of free space?

  49. Please explain 4-dimensional objects

  50. Relative motion and the twin paradox

  51. Is time travel possible?

  52. How can I visualize 4-Dimensional objects?

  53. Safe Space

  54. Relativity of spin

  55. Einstein's relativity

  56. It is about time

  57. Least time paths

  58. String theory

  59. Absolute zero and Absolute Infinity

  60. Why is drying dishes in warm water easier than

  61. Why do electric heating elements hum?

  62. Transfer of heat

  63. Superconductivity Temperature

  64. Can information out speed light?

  65. Light bulbs

  66. Cosmic rays

  67. Why is sound faster in warm air?

  68. What do naked singularities look like?

  69. Light speed and lasers

  70. Polaroid Glasses and TI Calculators

  71. Mirrors and sound reflection

  72. Why can radio waves go where light cannot?

  73. At what wavelength does visible light start?

  74. Has the speed of light slowed down over the centuries?

  75. LASER light through a fiber

  76. How did Voyager 2 communicate to earth?

  77. Is there a way to escape from black holes?

  78. Transverse spin of photon

  79. Light in a black hole?

  80. Speed limit of light

  81. UV vs X-ray

  82. What is resonant frequency?

  83. Light and relativity questions

  84. Neon lights

  85. Why is an echo weaker than the original sound?

  86. How can my voice travel over the phone?

  87. How does a voice travel over a wire?

  88. Squeaking sand

  89. Flute

  90. Amazing Stereoscope

  91. Light Cones ----> what for?

  92. How do holograms work?

  93. Evolution and Thermodynamics

  94. Why is the sky blue?

  95. Can physicssical constants vary?

  96. Baseball and humidity

  97. Coriolis Effect

  98. Earthquake prediction

  99. Static electricity

  100. Dryer Static

  101. How do you explain picking up a penny with Aluminum Foil?

  102. Can a spark travel across a vacuum?

  103. Why can a moving charge produce a magnetic field?

  104. Magneto hydrodynamics

  105. NMR- how does rotating charge create a magnet?

  106. Electrical resistance

  107. Physical Phenomena

  108. Ohm's law

  109. Current density

  110. Superconductivity

  111. Photo electric power

  112. Electron velocity

  113. Fractal geometry and subatomic particles

  114. Quarks

  115. Please update me on quarks

  116. Beta particles

  117. Exclusion principle

  118. Has anyone seen an atom?

  119. What are IR sensors and Electron beams

  120. What is the exact nature of electrons in the atom?

  121. What is a Shape Memory Alloy?

  122. Virtual Particles

  123. The nature of force-carrying particles

  124. Cosmic strings and homemade particle detector?/A>

  125. Particle accelerators

  126. Cyclotrons

  127. Half-Spin

  128. Fusion reactor size

  129. Particle theory (QED electrons)

  130. Messenger Particles

  131. Practical applications of fusion power

  132. Beta decay product...Atom or Ion?

  133. Bell's inequality theorem

  134. Quantum mechanics and other strange beasts

  135. Ionization of nuclear waste

  136. What type of reactor is the Chernobyl design?

  137. Can we know anything before Planck's time?

  138. Thermodynamics and the universe

  139. Plutonium safety

  140. Particle accelerator

  141. Particle accelerator for thrust?

  142. Archimedes' Principle

  143. Where could I find information on Kai M. Siegbahn?

  144. Poster presentations

  145. Leidenfrost information

  146. Physics science fair handbook

  147. Teaching physicssics

  148. Root Beer Foam

  149. Chaos theory and epilepsy

  150. E = mc^2

  151. Other Life Forms

  152. Existence of time

  153. Tachyons

  154. Gravity

  155. Quarks

  156. Electrical Fruit Power

  157. Speed of Gravity

  158. Photoelectric Sensors

  159. Ernest Marsden

  160. Tire Friction

  161. Airplane distances

  162. Electrostatics Experiments

  163. super magnets

  164. Black Hole's Gravity and Light

  165. Theoretical Physics School Names

  166. Chaos and humans

  167. black holes and hadrons

  168. Density bottles

  169. Light Bulb Questions

  170. Black Hole Radiation

  171. Cold Fusion

  172. Origin of Matter

  173. Clarificatoin of #284(Hawking,black holes...)\

  174. Chaos

  175. Gravitons

  176. Determining Critical Angles

  177. Fermi Paradox/Drake Equation

  178. Space design contest questions

  179. why do the drapes move in?

  180. Gravity Tug

  181. Anti-matter

  182. soundwaves for levatation

  183. space time

  184. Antimatter reactions

  185. Kinetic Energy

  186. Zero gravity Simulations

  187. Heisenberg

  188. Proving Gravity

  189. flame ionization

  190. Unified Theories and Gravity

  191. Radio waves

  192. Pole to Pole

  193. Heisenberg's uncertainty principle

  194. Saturation of Air formula?

  195. Anti-matter

  196. Falling Objects

  197. Microwave Radiation

  198. sublimation and lantent heat

  199. Music characteristics

  200. Fusion reactors - how do they heat it up?

  201. Law of di"> Skidding Direction

  202. Where to fall

  203. Theoretical Physics Job Opportunities

  204. Physics and sports

  205. Black Holes

  206. What is Light?

  207. Molecule distance in space

  208. isotopes

  209. Antinoise

  210. 3d vectors & ejection seats

  211. Lorenz Transforms

  212. Measuring Ultraviolet Radiation

  213. sound in space

  214. radio antena

  215. Antiparticles

  216. Unity and Chaos theories

  217. Particle Accelerator

  218. SONOLUMINESCENCE

  219. RATTLEBACK

  220. light in space

  221. Hot Air

  222. Smashing Atoms

  223. Nuclear bombs

  224. Circus man

  225. kieran

  226. destructive interference, cosine wave

  227. Hydrogen Power

  228. time travel equation

  229. endless reflecting light

  230. eclipse sunset

  231. Mousetrap powered vehicles

  232. Einstein's Nobel Prize

  233. Camera Work

  234. Beta Particles

  235. Quantum mechanics/relativity

  236. Birds on a voltage wire

  237. Nuclear Fission and Fusion

  238. Atom bomb

  239. Cars and gas

  240. Hydrogen (water) powered engine

  241. 3-d graphs in calc

  242. light interference/quantum mechanics

  243. neutrons

  244. air molecules

  245. atomic blasts

  246. speed of electrons

  247. naming elements

  248. crushed protons

  249. Mirror reflections

  250. Xerox copier

  251. Light Speed

  252. Antimatter questions

  253. Electrical sockets

  254. water as a dielectric

  255. falling through matter

  256. basketballs and humidity

  257. Particle Accelerators

  258. Time travel paradox

  259. Why six-sided snowflakes?

  260. Aether/Relativity/Quantum Mechanics

  261. Diffraction in water

  262. Bernoullie's Principle

  263. Toilet bowl science

  264. Watts in a Decibel

  265. Flight

  266. Light bulb and a microwave

  267. Penny Force

  268. decibel levels

  269. 99.9% the speed of light

  270. Magnetic declination at Akron, Ohio

  271. using salt to "melt" ice

  272. wind chill factor formula

  273. unexplained acceleration

  274. max. number of neutrons

  275. The causes of thunder and lighting

  276. Earth's Core

  277. Rainbows

  278. Reopen the SSC

  279. Last Ionization Energy

  280. falling at uniform speed

  281. colors not in the rainbow

  282. polarized lens

  283. Information on phone lines

  284. electromagnetic waves

  285. mu-mesons

  286. Electric Field Intensity

  287. What a spitball does

  288. Knowledge of other galaxies

  289. Blackbody radiation

  290. weightless rooms

  291. superconductors

  292. waves

  293. torque/rotational inertia

  294. quarks

  295. electrical storm

  296. light and sound waves

  297. Weight of a spring

  298. Can Earth change speeds?

  299. Breeder Reactor vs. Nuclear Fission Reactor

  300. Shatter a metal

  301. liquid metal

  302. How to determine acceleration

  303. light questions

  304. Cold Fusion

  305. How lasers work

  306. Why Cannot Steel be See through?

  307. Evidence for Black Holes

  308. Can a car run without gravity?

  309. 2 way mirrors

  310. gyroscope

  311. Effected Gravitational Pull

  312. femtoinquiry

  313. Solar cells

  314. greenhouse effect

  315. masses of quarks

  316. atom structure

  317. Colors from the sun

  318. spots on the road

  319. Wind over the Sears' Tower

  320. police radar detectors

  321. Uses for the "top quark"

  322. Trigonometry applications

  323. fractional dimensions

  324. Fourth Matter

  325. Water Physics

  326. momentum conservation

  327. Soap bubbles

  328. Colors of pots

  329. magnetism

  330. bernoulli

  331. unified field

  332. bubble surfaces

  333. Fluid Phenomena

  334. Snowflake size//shape

  335. RAIN FALL MASS

  336. Angle of Attack

  337. Radiometer and laser light

  338. Snow Colors

  339. Curve ball

  340. radiometer experiment

  341. Projectile equation

  342. Magnetic Flux

  343. Atom Image

  344. Mass/speed of light

  345. Centrifugal force

  346. Shielding from external magnetic fields

  347. Mercury (element) in space

  348. Why do small objects have no color?

  349. Operation of a Gyroscope

  350. Light/subatomic particle interactions

  351. Dimmer switch at light speed

  352. absolute zero and molecular motion

  353. Centrifugal force

  354. Motion in a circle-faster than light

  355. The End of Physics

  356. Rocket velocities & acceleration

  357. Candles in an Elevator

  358. physics of a bubble

  359. Orbitals of Mercury

  360. Orbitals of Mercury 2

  361. Vortex Tubes

  362. Gravity Mines

  363. conductors

  364. ocean gravity

  365. Electrons in a conductor

  366. Jumping off a bike

  367. paradox 2

  368. paradox 3

  369. GLUONS

  370. Magnetic levitation

  371. Gravity and light trajectory/speed

  372. Einstein, light speed questions

  373. black hole-wind

  374. Funnel with ping pong ball

  375. Radius of Atoms

  376. Loss in dB per meter

  377. spinning toy-- the arc

  378. Pointy Rain Drops

  379. Special Relativity T

  380. relativity: TNT paradox

  381. 2 wheeled vehicles with gyroscopic

  382. Einstein

  383. Suntans Through Windows

  384. Thrust

  385. Rocket Liftoffs

  386. How fast do space shuttles go?

  387. Spaceship speed

  388. Kitchen Sink Strobe

  389. Rates of freezing

  390. Hartree-Fock Theory

  391. Greenland Gravity Experiment

  392. Spaceship speed #2

  393. Reading a Seismogram

  394. Shuttle's rate of descent

  395. Bottle Rocket Force

  396. Pushing a boat

  397. Orange Float

  398. Lasers

  399. Playgrounds

  400. Einstein

  401. Weight of Gold and Lead

  402. Black Holes 2

  403. Jumping

  404. Radio wave transmittance

  405. Bullet trajectory inverted

  406. black hole

  407. Speed of light

  408. Relativity

  409. Moving Energy

  410. Volts in Gigawatt

  411. gravity and birds

  412. hot and cold air

  413. Golf balls and dimples

  414. Hermes Collision - Supercomputing Project

  415. Time near Black Holes

  416. bike tire spinning

  417. Was Galileo married?

  418. electricity for us

  419. Founder of Physics

  420. Warp-speed

  421. Electrons and electricity

  422. Kepler's Law

  423. Candle burning in space

  424. Why can objects at rest accelerate?

  425. Super Cool Magnet

  426. Age of the Universe

  427. Bombarding Atoms

  428. Convection Experiment

  429. A balloon and the space shuttle

  430. Satellites

  431. Electric Current and Electromagnetic Wave

  432. Banana as a Conductor

  433. Sue Mayer-heat

  434. Spring Problem

  435. rocketry problem with delta-friction

  436. Rocketry Problem with Delta-Friction

  437. Field Properties

  438. Scanner lasers and safety

  439. More Magnetic Field Questions

  440. Hartree-Fock Theory

  441. Expansion Rates of Different Metals

  442. Bikes

  443. Electromagnetic Force Gun

  444. Microwaves

  445. Paradox...Time Travel

  446. Warping

  447. quantum leaps

  448. Predictability of Jumping Electrons

  449. Tough radius question

  450. How does a magnet work?

  451. Does the sun move?

  452. miles per hour

  453. Fast Cars

  454. Lighting as a power source

  455. infrasonic examples

  456. Symbols in Electricity Formulas

  457. Speed of Sound in H2

  458. Amps and Volts

  459. nuclear fusion

  460. Walsh's Atom

  461. Controlling Nuclear Fusion

  462. Powered by Water

  463. Incandescence of gases

  464. Electromagnetism

  465. Air - Light or heavy

  466. Pure Random

  467. How does the shuttle move?

  468. g forces

  469. liquid metal

  470. Chaos & Chromosomes

  471. The coefficient of friction

  472. Questions on Anti-matter

  473. Semiconductors

  474. VISCOSITY

  475. Need Sound Frequency Measured

  476. Disposal of Nuclear Waste

  477. x-rays

  478. Particle Physics Textbooks

  479. Atom Bombs Components

  480. What is the sun made of?

  481. Predicting Earthquakes

  482. Evaporation of Water

  483. Planet X

  484. Computer Physics

  485. Composition of Plastic

  486. How CDs work

  487. Colors of a sunset

  488. The Exorcist

  489. Teleportation

  490. Relativity, time, and aging

  491. RESONANCE & MAILING TUBES

  492. Planets distances from each other

  493. Lasers and mirrors

  494. Water on Mars

  495. Splitting Helium

  496. Newton vs. Einstein

  497. Cloud Chambers

  498. Neutrino Rest Mass

  499. Corn Starch

  500. Man Made Singularity

  501. Before a light bulb burns

  502. Leaning Tower of Pisa

  503. Perpetual drip and the Keswick gravity siphon

  504. Space and Time

  505. Rutherford Experiment

  506. Centrifugal Force in the Fourth Dimension

  507. What is lightning?

  508. Splitting Helium 2

  509. Airplane Height

  510. Space ship tile question

  511. Shattering Glass with my Voice

  512. Hanging Snow

  513. Sound Waves

  514. Index of Refraction

  515. Resistances of elements

  516. South Pole Compass

  517. Plasma walls

  518. Cloud chambers

  519. Magnetic Pole Reversal Effects

  520. Electrical Energy

  521. Hot/Cold with CO2 Cartridges

  522. Bessel function

  523. The Shape of Trumpet

  524. Magnetic shield

  525. Electromagnets' hum

  526. Frictionless Surface

  527. Teleport Project

  528. Negative Velocity

  529. Plutonium Production

  530. Photons

  531. Quark Research

  532. Which Metals Resonate The Best

  533. Touch On and Off Lamps

  534. Appearance of the Moon Size

  535. Electron Speed

  536. Hologram Developers

  537. Lighting Strikes

  538. How Do Touch Lamps Work?

  539. Cryogenics\Stress\Brass\Copper\Silver\Gold

  540. Spacetravel How fast...??

  541. Bending light

  542. Helmet's Equation

  543. Paper Burning

  544. Speed of Stealth Bomber

  545. Optic Fibers Intro. Articles

  546. Water On A Bridge

  547. The Celestine Prophecy

  548. Electromagnetism/Maglev

  549. Falling Balloon

  550. Coke in space

  551. Van de Graaff Details

  552. Holograms

  553. Light Speed

  554. Einstein Education

  555. Space Travel

  556. Burning a light bulb

  557. Fog lights

  558. Small Particle Accelerator Liner

  559. Finding the Charge of a Proton

  560. College Physics

  561. Series and Parallel Circuits

  562. Visualizing an Atom's Size

  563. Quatum Physics

  564. Frictional and Movable Forces

  565. Can filling with H2O

  566. Quantum Physics

  567. Norbonene Balls

  568. Sun Vibrations on Windows

  569. Electricity Properties

  570. Particle Accelerator

  571. Fluorescence

  572. Fast Reactor Physics

  573. A Boat, Rock and Lake

  574. Series and Parallel Circuits

  575. Finding the Charge of a Proton

  576. Particle Accelerator

  577. Fog lights

  578. SONOLUMINESCENCE

  579. Integral Fast Reactor

  580. Propellers and Paddlewheels

  581. Destructive Interference, Cosine Wave

  582. Gravity

  583. Water Hose and Pressure

  584. Nuclear Electricity

  585. Artificial Gravity

  586. Square Newton

  587. Light Interference

  588. Highest Temperature?

  589. Particle Theories

  590. Neutrino Speed

  591. Wave Motion in Space

  592. WIPP Program

  593. Radiation Safety

  594. Light Linear Proof

  595. Destroying Molecules with Speed

  596. Jumping on Moving Earth

  597. Pendulum Swings

  598. High Speed Molecules

  599. Pendulum Swing

  600. Jumping on the Earth

  601. Hand Controllers

  602. Air pressure Crush

  603. Atomic Barns

  604. Electromagnetic Induction

  605. Rollercoaster Physics

  606. Water Displacement

  607. Photons and Mass

  608. Air Compression

  609. Electromagnetic Induction

  610. Drop Physics

  611. Vibrating Light

  612. Light in Outer Space

  613. Pitching Mound

  614. Temperature and Conductivity

  615. Radioactive Decay

  616. Electron Position

  617. Horsepower and Energy

  618. Photons

  619. Empty Space of Atoms

  620. Degrading Magnets

  621. Magnetism: Matter or Non-matter?

  622. Billiard Physics

  623. Electromagnetic Pulses

  624. Magnetism and Temperature

  625. Light Interference

  626. Rainbow Shortest Wavelenght

  627. US Nuclear Energy Use

  628. Mirror Reflection

  629. Archimedes Principle

  630. Cathode Ray

  631. Pipe Flow

  632. Sound Barrier

  633. Lenz's Law

  634. Laser Strength and Control

  635. Underwater Magnification

  636. Einstein and Time

  637. Wormholes

  638. Sideband and Waveforms

  639. Sin(x) Functions

  640. Modulation and Sidebands

  641. Limit of the Universe

  642. Wire Resistance

  643. Reactor Water

  644. Air Pressure

  645. Cartesian Coordinates

  646. Space Craft and Gravity

  647. Quark Pressure

  648. Kilowatt Usage

  649. Satellite Physics

  650. Carrier and Sidebands

  651. Forces

  652. Friction formula

  653. Thermos Physics

  654. Gravity and Spin

  655. Einstein/Boise Theory

  656. Center of Gravity

  657. Einstein and Gravity

  658. Event Horizons

  659. Artificial Gravity

  660. Falling in Water

  661. Blocking Magnetism

  662. Accelerators

  663. Relative Motion

  664. Speed and Velocity

  665. Wind Tunnel

  666. Laws and Nuclear Energy

  667. Windmills

  668. Artificial Gravity

  669. Proton Accelerator

  670. Mass/Energy

  671. Pitch and Sound Travel

  672. Proton Decay

  673. G Force

  674. Energy Absorption

  675. Heat Loss

  676. Glass Shattering Frequency

  677. Nanotechnology

  678. Radioactive Isotopes Supply

  679. Accelerometer Data

  680. Soccer Ball Size

  681. Capacitor Discharge

  682. Speed Skating

  683. Refraction

  684. Baseball and Air Density

  685. Element 111

  686. Puncture Proof

  687. Temperature and Electricity

  688. Hydrostatic Pressure

  689. Thermal (heat) Information

  690. Air Foil and Speed

  691. EM Field and Atoms

  692. Lawerence and Atom Splitting

  693. Uranium Decay

  694. Falling Airplane

  695. Depth of Gravity

  696. Anti-matter Explosions

  697. Blinding Spheres

  698. Circular Polarized Light

  699. Living Element

  700. Drift Tubes

  701. U235 vs U238

  702. Laser Power

  703. Speed and Temperature

  704. Gravity Differences

  705. Friction and Surfaces

  706. Two Black Holes

  707. Magnetism and Light

  708. Isospin

  709. Color and CRT's

  710. Cold Dust

  711. Atomic Model Standard

  712. Trajectory Question

  713. PD Terminology

  714. Atomic Space

  715. Zero Gravity on Earth

  716. Cooling

  717. Sound Vibrations

  718. Magnetic Free Fall

  719. Helium Lift Power

  720. Heat and Magnetism

  721. Speed of Light and Electricity

  722. Speed of Electricity

  723. Measuring Angular Momentum

  724. TV Interference

  725. Football Shape

  726. Ampere's Law

  727. Squirt Gun Pressure

  728. Energy to Mass

  729. Sun Screen Strength

  730. Mirror Dynamics

  731. Rare Earth Magnets

  732. Radar Detectors and Weather

  733. Electrical Charge Visibility

  734. Force Field Differences

  735. Newton's Cradle

  736. Electricity Speed

  737. Magnets and Fall

  738. Sound Vibrations

  739. G Force

  740. Friction and Surfaces

  741. Electron Flow

  742. Stopping Heat Transfer

  743. Magnetic Force Measurements

  744. Voice shattering Glass

  745. Traveling Sound

  746. Spit Ball

  747. Atomic Absorbtion Theory

  748. Mirror Reflection

  749. Nm to Kg

  750. AMU to Grams

  751. Electron Radius

  752. Artificial Gravity

  753. Femtosecond laser

  754. Producing Light

  755. Voltage and Health

  756. Rating Magnets

  757. Gravity Spinners

  758. Accelerator Worth

  759. Gravity Discussion

  760. Gravity and Air Resistance

  761. Indigo

  762. Halogen Lights

  763. Xenon Reactions

  764. dB Designation

  765. Rollercoaster Forces

  766. Gravity Discussion

  767. EMR

  768. Complex Physics Problem

  769. Conservation of Energy

  770. Gravitational Force as a Tool

  771. Element 110 Resources

  772. Measuring White Light

  773. Why are Planets Round?

  774. Black Body Physics

  775. Fusion Reactors and Helium

  776. Dipole Ion

  777. Why is metal magnetic?

  778. Accelerator Preparation

  779. Gravity and Light

  780. Round Planets?

  781. Blackbody

  782. Particle Tracks

  783. NEWTON Measurements to Mass

  784. 110 vs 220

  785. Egg Drop Speed

  786. Balloon Helium Leaking

  787. Work Defined

  788. Skillet Warping

  789. Flourescence

  790. Anti-matter Dynamics

  791. Friction and Rolling Balls

  792. Leaking Balloons

  793. Superconductivity

  794. Electrical Danger

  795. Wire Resistance

  796. Uncertainty Principle

  797. Water Colors

  798. Balanced Forces

  799. Super Conductor

  800. Laws of Motion

  801. Photon Charge

  802. Fission Elements

  803. Bomb vs Reactor

  804. Radioactive Detectors

  805. Watts Conversion

  806. Earth's Spin

  807. Light Source Fluxuations

  808. Physics Status in Politics

  809. Effects on Sound

  810. Heating and Air Pressure

  811. Gravity and Weight

  812. Nuclear Waste and Caves

  813. Wire Resistance and Length

  814. Fusion Process

  815. Newtons in the Grocery

  816. Falling Bodies

  817. Radio Station Interference

  818. Leaning Tower

  819. Marble Dropping

  820. Escaping Earth's Gravity

  821. Dimensions

  822. Fission and Fusion

  823. Earth-Moon Transmission

  824. Proton Mass

  825. Sound Wave Speed

  826. Monte Carlo Technique

  827. Element and Colors

  828. Noble Gas Colors

  829. Level Forces

  830. Roller Coaster Plans

  831. Maximum Temperature

  832. Wire Resistance

  833. Gravity vs Electromagnetic Force

  834. Aether

  835. Bouncing Particles

  836. Heat Calculations

  837. Speed of Gravity

  838. Zero Point Energy

  839. Thermodynamics

  840. Adhesion

  841. Current Differences

  842. Sonic Boom and Bullets

  843. Fuel Cell Dangers

  844. Adding Protons

  845. Fast Ball Physics

  846. Blocking Magnets

  847. Bicycle Physics

  848. Gravity and Laws

  849. Sensory Perception

  850. Doppler's Effect

  851. Liquid Magnets

  852. Electricity and Gravity

  853. Electromagnetism and Gravity

  854. Energy Calculation

  855. Coulomb

  856. Heat Behavior

  857. Halo

  858. Temperature Limit

  859. Heat Transfer

  860. Radiowaves and Lasers

  861. Magnetic Paradox

  862. Sound through Metal

  863. Gravity and Attraction

  864. Sound Waves

  865. Electron as a Particle

  866. Flouresent Lights

  867. Electron Particle

  868. Conductivity

  869. Heat Expansion

  870. Plasma

  871. Absorption

  872. Static Friction

  873. Undepleted Uranium

  874. Surface Tension

  875. Current

  876. Uncertainty Principle

  877. Young's Slit Experiment

  878. Electron Dynamics

  879. Air Resistance

  880. Wire Resistance

  881. Seat Belt Operation

  882. Atomic Space

  883. Moving Tire Behavior

  884. Push Pull Physics

  885. Prism and Light Speed

  886. Friction Differences

  887. Earth and Weight Differences

  888. Bridges and Water Flow

  889. Thermos

  890. Plasma State

  891. Tire Behavior

  892. Heisenberg and Soup

  893. Gravity Data Source

  894. Helium and Air Behavior

  895. Solar Panels and Light

  896. Sound and Objects

  897. Smooth Surface that Stick

  898. Transuranic Element Production

  899. Radioactivity

  900. Two Way Mirrors

  901. Coefficient of Friction

  902. Helium and Temperature

  903. Creating Zero Gravity

  904. Ion Colors

  905. Energy to Matter

  906. Quarks as Sound Waves

  907. Orbital maximum

  908. AM Power vs FM

  909. Liquid Mirrors

  910. Solar Panel Angle Calculation

  911. Drag

  912. Uranium 238

  913. Solar Angles and Light

  914. Coriolis Effect

  915. Traveling Photons

  916. Radon

  917. Heat Maximum

  918. Gravity Misconceptions

  919. Ampere's Law

  920. Black Body and Radiation

  921. Time and Vector

  922. 4th Dimension Uses

  923. Photon Paths

  924. Circuit Load

  925. Luster and Heat

  926. Atomic Size Limits

  927. Microwave Action and Color

  928. Rotational Inertia

  929. Relativity: Theory or Law

  930. Coefficient of Rolling Friction

  931. Water Freezing and Temperature

  932. Non-Newtonian Substance

  933. Properties of Electricity

  934. Evaporation and Vapor Pressure

  935. Why 8 Gluons?

  936. Electricity and Magnetism Relationship

  937. One Pole Magnets

  938. Heat Energy and Surface

  939. Cavitation

  940. Density and Floating

  941. Siphon Principle

  942. Bullet Trajectory

  943. Current and the "I"

  944. Matter/Anti-matter and Black Holes

  945. Magnetism and d Orbitals

  946. Strobe Lights

  947. Sonic Boom

  948. Bicycling Cornering

  949. Units and Formulas

  950. Cold and Magnets

  951. Big Bang, Time and Truth

  952. Momentum and Force

  953. Rolling Force

  954. Energy, Force and Fuel

  955. Creating elements

  956. Faraday Letter

  957. Moon Weight

  958. Photoelectric Effect

  959. Roller Coasts and Physics

  960. Color and Heat Absorption

  961. Window Pane Blocking of Energy

  962. Electrical Conductive Elements

  963. Magnetic Compass

  964. Density and Bouyancy

  965. Pitch of Cocoa when Stirred

  966. Altitude and Pressure

  967. Rolling Cans

  968. Roller Blades

  969. Roller Coaster Science

  970. AM Radio Transmission at Night

  971. Force on Roller Coasters

  972. AM and FM Broadcasting

  973. Magnets and Light

  974. Reverse Gravity?

  975. Anti-gravity Machine

  976. Positive and Negative Forces

  977. Temperature and Expansion

  978. Altitude and Pressure

  979. Founders of Physics

  980. Work

  981. Gravity and Newton's Third Law

  982. Earth and Magnets

  983. Physical Forces and Magnetism

  984. Roller Wheel Sizes

  985. Air Resistance

  986. Neutrinoes Fate

  987. Wavelength and Light Properties

  988. Gravity and Distance

  989. Fish and Frozen Ponds

  990. Relative Motion

  991. Center of Gravity

  992. High School and College Physics

  993. Cars and Lightning

  994. Light Waves and Sound Waves

  995. Soap Bubble Thickness

  996. Film Interference

  997. Lunar Halo

  998. Dangers of Electrostatics

  999. Measuring InfraRed

  1000. Moving vs Stationary Force

  1001. Lightning Strikes and Cars

  1002. Depth and Refraction

  1003. Limits to the Universe

  1004. Air Resistance Formula

  1005. Weight and Car Crossing a Cliff

  1006. Phase Reversal? in Mirrors

  1007. Rollercoasters and Hills

  1008. Helicopter Air Flow

  1009. Watt vs Volt-amp

  1010. Efficiency of a Light Bulb

  1011. Yo-Yo

  1012. Maxwell's Equations

  1013. EM Damage and Electrical Components

  1014. Rolling Ball Size

  1015. Coal to Electricity

  1016. Earth's Magnetic Field

  1017. Smallest Atomic Structure

  1018. Quantum Laws

  1019. Escape Velocity

  1020. Bouyancy and Locks

  1021. Resistance

  1022. Blackbody Properties

  1023. Sound in Different Media

  1024. Magnets and Spheres

  1025. Superconductors and Magnets

  1026. Light and Force

  1027. Rotational Factors

  1028. Coriolis Force

  1029. Pendulum and Acceleration

  1030. Semiconductor's Bandgap

  1031. Weightlessness Altitude

  1032. Orbital Motion

  1033. Aluminum Baseball Bats

  1034. Light Speed

  1035. Solar Energy Distribution

  1036. Reflection and Absorption

  1037. Driving Safely and Wind Direction

  1038. Ideas for Electricity Lessons

  1039. Gravity as a Wave

  1040. Sound Speed

  1041. Sunspots and Radio Reception

  1042. Blocking Neutrinos with Sound

  1043. Two-Way Mirror

  1044. Mirror Reflection

  1045. Light Amplify

  1046. K-Space

  1047. Electromagnetic and Weak Theory

  1048. Nuclear Energy Sites

  1049. Energy Temperature

  1050. Transfering Heat

  1051. Bottle Rocket Question

  1052. Electron Speed

  1053. Color and Heat Transfer

  1054. Absorption, Heat and Wavelength

  1055. Plastic Bottles and Water Columns

  1056. Boiling Point and Altitude

  1057. Retroreflectors

  1058. Propelling in a Vacuum

  1059. Bicycles

  1060. Metal in a Microwave

  1061. Amplitude and Quantum Physics

  1062. Light Speed and Theories

  1063. Aluminum vs Wood Bats

  1064. Horsepower vs Torque

  1065. Sonoluminescense

  1066. Beta Particles and Ionization

  1067. Frequency and Inductors

  1068. Buoyancy

  1069. Magnetic Levitation

  1070. Mode Spacing and Lasers

  1071. Matter / Antimatter Violence

  1072. Metal, Temperature and Resistance

  1073. Buoyancy

  1074. Shaping Magnetic Fields

  1075. Air Resistance problem

  1076. UV and Glass

  1077. Organisms and Multiple Forces

  1078. Acceleration Problem

  1079. Simulating Lightning

  1080. Hadrons and Temperature

  1081. Skin and Current

  1082. Radio Waves and Tunnels

  1083. Light Speed Uncertainty

  1084. Geometric Fourth Edition

  1085. Radioactivity and Shielding

  1086. Rotational Dynamics

  1087. Optical Density

  1088. Reflective Surfaces

  1089. Friction and Tangency

  1090. Electrostatic and Humidity

  1091. Dual Nature of Light

  1092. Electro-conductive Plastic

  1093. Reflective Mirrors

  1094. Roller Coasters and Forces

  1095. Why Things Float?

  1096. Interference and Energy Density

  1097. Lethal Currents

  1098. Light Losing Energy

  1099. Roller Coasters and Momentum

  1100. Film Interference and Feathers

  1101. Air Pressure and Resistance

  1102. Centripetal Force

  1103. Resistance and Induction

  1104. Sine Waves and Circuits

  1105. Reflectivity and Brightness

  1106. Magnetic Braking at Amusement Park

  1107. Cold Metal

  1108. Bugs Hitting Windshield

  1109. Centripetal vs. Centrifugal Forces

  1110. Proton Radius

  1111. Dark Energy and Newton's Laws

  1112. Stopping Spearguns Underwater

  1113. Recharging Magnets

  1114. Tower Thrill Ride

  1115. X-Ray and Heat

  1116. Nutrinos and Energy

  1117. Roller Coaster Construction

  1118. Music and Standing Waves

  1119. Full and Empty Ball Rolling

  1120. Push or Pull of Gravity

  1121. Making Waves

  1122. Scattering and Diffraction

  1123. Conductors

  1124. Matter Force

  1125. Light Penetration

  1126. Homopolar Generator

  1127. Relative Motion

  1128. Weight, Car Crossing Cliff

  1129. Tornado Effect

  1130. Stirling Engine

  1131. Planet Density

  1132. Magnetic Field and Air

  1133. Molecular Structure and Friction

  1134. Tides on Lake Michigan

  1135. Pointed Lightning Rods

  1136. Photon Mass

  1137. k in f=ma

  1138. Coconut Pendulum

  1139. Dark Matter

  1140. Earth's Revolution and Gravity

  1141. Storing Protons

  1142. Magnetic and Electric Fields

  1143. Trees and Lightning

  1144. Controlled Fusion Temperatures

  1145. Dimensions and Mass

  1146. Bouncing Basket Balls

  1147. Escape Velocity

  1148. Pitching

  1149. Silver Color and Transparent Glass

  1150. Inductors Made Easy

  1151. Energy Losses in Currents

  1152. Weight: Mountain vs Valley

  1153. Centripetal Force

  1154. Dominance of Infra Red and Heat

  1155. Back emf

  1156. Archimedes Problem

  1157. What is Unified Field Theory?

  1158. Lightning and Ships

  1159. Principal Axis

  1160. Backpacking and Lightning

  1161. Siphon

  1162. Light and Mass

  1163. Spin and Measurement

  1164. Refraction and Images

  1165. Relating Presure

  1166. Relative Motion

  1167. Magneitc Levitation

  1168. Reflection and Refraction

  1169. Flight and Earth's Rotation

  1170. Alpha and Beta Damage

  1171. Swinging Sword and Sound

  1172. Bending Light

  1173. Skids and Cars

  1174. Convection

  1175. Photon Speed

  1176. 2.8 Angstroms

  1177. Fan Cooling/Heating

  1178. Speed of Sinking

  1179. Woody and Steelie Rolly Coasters

  1180. World Trade Center Failure Analysis

  1181. Pauli Exclusion for Quarks

  1182. Decibels

  1183. Mirrors and Reflection

  1184. Radioactivity and Absolute Zero

  1185. Earth and Rotation

  1186. Absolute Zero Experiments

  1187. Color Brown

  1188. Sears Tower Penny

  1189. Black Absorption and Radiation

  1190. Energy for Expanding Universe

  1191. Super String Theory

  1192. Decay Products

  1193. Bullet Trajectories

  1194. Roller Coasters in Loops

  1195. How Does Light Move?

  1196. Neutron Atoms

  1197. Sun and Continuous Spectrum

  1198. Electron Flow and Temperature

  1199. Nuclear Medicine

  1200. Radiation and Health

  1201. Acceleration Due To Gravity

  1202. Shades of Blue Sky

  1203. Sears Tower Penny

  1204. Containment

  1205. Rare Earth Magnets

  1206. Sound to Heat

  1207. Time and Absolute Zero

  1208. Magnets

  1209. Teaching Air Resistance

  1210. Escape Velocity

  1211. Air Pressure and Resistance

  1212. Bullet Trajectories

  1213. Newton's Cradle in Vacuum

  1214. AC and Hot Side

  1215. Magnetism and Metals

  1216. Anti and Dark Matter

  1217. Radio Skip

  1218. Refraction and Acceleration

  1219. Hot Air Rising

  1220. Dizziness and Spinning Earth

  1221. Assymetrical Newton's Cradle

  1222. Magnetism and Quantum Mechanics

  1223. Light Dimmers and Resonance

  1224. Velocity and Gravity

  1225. Origin of Matter

  1226. Infra-red Gradient

  1227. Joule Effect and Matter in Space

  1228. Roller Coasters and Air

  1229. Voltage Conversion

  1230. Magnets and Roller Coasters

  1231. Bigger Under Water

  1232. Escape Velocity

  1233. Fundamental Forces

  1234. Paul Davies and Energy

  1235. Mass and Bowling

  1236. Psuedogaussian Noise

  1237. Newton's 3rd and Basters

  1238. Pair Production Cross-Sections

  1239. Measuring Surface Tension

  1240. Angular Momentum and Energy

  1241. Cosmic Radiation and
    Frame of Reference

  1242. Energy Related Variables

  1243. Electricity and Education

  1244. Power and Work

  1245. Measuring Rolling Resistance

  1246. Energy of Atomic Electrons

  1247. Repulsive Gravitation

  1248. Neutron Capture and Cross

  1249. Photon Reemission

  1250. Upper Energy Limit of Photon

  1251. Drops to Droplet Mechanics

  1252. Spectral Color vs Temperature

  1253. TV Flicker

  1254. Relativity and Density

  1255. Buoyant Vacuums?

  1256. Water Tension?

  1257. Charge and Humidity

  1258. Drops to Droplet Mechanics

  1259. Surface Reflection
    and Polarization

  1260. Confused Friction

  1261. Asymmetrical Newton's Cradle

  1262. Asymmetrical Gravity Center

  1263. Polarization and Direction

  1264. Amusement Ride and Forces

  1265. Momentum Problem

  1266. Concave Mirror Images

  1267. Neutrinos and Gravity

  1268. Brightness Experiment

  1269. Mechanical to Chemical Transfer

  1270. Relative Motion and Flight

  1271. Blue Electron Beam

  1272. Friction: Cool to Hot

  1273. Freezing Milk

  1274. Charge Distribution

  1275. Near Vacuum Thermodynamics

  1276. Rare Earth Magnets

  1277. Charges on Balloon

  1278. Electron vs Quark Size

  1279. Creating an Electric Field

  1280. Corona Effect

  1281. Fluorescent Lights and Microwaves

  1282. Vortex Cannons

  1283. Diffraction, Wavelength, and Angle

  1284. Plumb Line

  1285. Kitty Ket

  1286. UV rays and Water

  1287. Fluid Pressure and Temperature

  1288. Sound Demonstrations

  1289. Bubble Velocity in Fluids

  1290. Exchange Particles and Gravity

  1291. Black Body (Re)radiation

  1292. Magnetic Field Blocking Material

  1293. Splitting Laser Beams

  1294. Newton's Third Law

  1295. Buoyant Vacuums?

  1296. Mass, Friction and Distance

  1297. Solar Light Polarization

  1298. Soap Bubbles and Air

  1299. Alcohol and Bubbles

  1300. Wavering Lights

  1301. Charge on Proton

  1302. Sound Blowing Out Candles

  1303. Vortex Cannons

  1304. Van de Graaf Maintenance

  1305. Smaller Than an Electron

  1306. Ice and Margaritas

  1307. Young's Experiment Demo

  1308. Golf Ball Speed

  1309. "Hooke's Law" and Rubber Bands

  1310. Index Of Refraction Material

  1311. Semiconductor Conductivity and Temperature

  1312. Neutrons, Protons, and Quarks

  1313. Flame and Magnetism

  1314. Hula Hoops

  1315. How Does Electricity Work?

  1316. Light and Fields

  1317. Amplitude of EM Wave

  1318. Gravity and the Event Horizon

  1319. What is Doping?

  1320. "Rubber Bands" in Quarks

  1321. Magnets and Poles

  1322. Orbital Radius of Earth

  1323. Day Length Rate Change

  1324. Use of I for Current

  1325. Free Fall Ride

  1326. Mathematics Modeling Physics

  1327. Radioactivity, Temperature, Pressure

  1328. Artillery and Elevation

  1329. Magnetism and Gravitation

  1330. IR Photon Emission

  1331. Surface Tension and Temperature

  1332. Color and Light of Sun

  1333. Adding Leap Seconds

  1334. Rope in KN Holds How Much?

  1335. Water Vapor and Steam

  1336. Accelerating Neutrons

  1337. Swinging Balls and Momentum

  1338. Light and Sound Transmission

  1339. Round Rainbows

  1340. Magnetic Properties and Metals

  1341. Photon Observations

  1342. Adhesion and Electric Current

  1343. Tower Ride and Eddy Currents

  1344. Influence of Measurement

  1345. Reflectivity: White vs Silver

  1346. Subatomic Particle Spin

  1347. Transluscent French Fry Bags

  1348. Inside C12

  1349. Green Flash

  1350. Magnetic Compass in Space

  1351. Photon Observations

  1352. Van de Graaff and Lightning Rods

  1353. Tower Ride and Eddy Currents

  1354. Earth-Moon Gravitational Transition

  1355. Insulator, Metals, and Reflectance

  1356. Prograde and Retrograde Motion

  1357. Big Bang and Recoil

  1358. Rotational Motion

  1359. Model of Bohr Model

  1360. Gravity and the Atmosphere

  1361. Falling Bodies, Air Resistance, Mass

  1362. Speed of Sound and Air Conditions

  1363. Temperature Upper Limit

  1364. Speed of Sound vs. Altitude

  1365. Purpose of Neutrons

  1366. Spin

  1367. Electric Fields and Plastic Liners

  1368. Gravity and the Atmosphere

  1369. Surface Tension and Floating

  1370. Measuring Atomic Sizes

  1371. Wings and Bernoulli Flow

  1372. Air Pressure and Fluid Flow

  1373. Color Reflection Theory

  1374. Candle in Jar

  1375. Projectiles and Moving Frames

  1376. Diamagnetism

  1377. Neptune and Wien's Law

  1378. Radio Waves and Concrete

  1379. Electron Transition Time

  1380. Matter Antimatter Abundances

  1381. Leptons, Quarks, and Black Holes

  1382. Photons and Refraction

  1383. Photon Model of Refraction

  1384. Flux Lines of Various Magnets

  1385. Air Pressure and Fluid Flow

  1386. Density and Shape

  1387. Fringe Width Formula

  1388. Aurora and Color

  1389. Fresh and Salt Water and Heat Transfer

  1390. Falling Plastic Drops and Sound

  1391. Big Bang, Crunch, and Location

  1392. Relativity, Spacecraft and Electrons

  1393. Infrasound Sources

  1394. Gravity's Pull and Field Strength

  1395. Current Into Radio Waves

  1396. Speed of Sound in Phases of Matter

  1397. Winter Rainbows

  1398. Surface Tension and Detergent

  1399. Conventional vs Charge Current

  1400. Field Lines in Inductors

  1401. Magnetizing a Hollow Ball

  1402. Magnetizing a Hollow Ball

  1403. Magnetic Field Lines Crossing

  1404. Electrocution

  1405. Trebuchet

  1406. de Broglie Wave and Bohr Radius

  1407. Pillow Thermodynamics

  1408. Spring System Energy

  1409. Levitating Magnets

  1410. Quantifying Mirror Distortion

  1411. Spring SHM System

  1412. Inverted Flight

  1413. Prism to Spectra

  1414. Helium, Temperature, and Buoyancy

  1415. Metal Type and Electical Resistance

  1416. Sunlight and Weight

  1417. Eye Resolution Lab

  1418. Gravitational Field at Planet Center

  1419. Amusement Park Accelerometers

  1420. Metals and Strong Magnetic Fields

  1421. Motion and Mass on a Track

  1422. Center of Mass of Liquid

  1423. Electricity in Air vs Water

  1424. Lift vs. Propulsion

  1425. Light to Thermal Energy

  1426. Magnetism and CRT's

  1427. Mass of Top Quark

  1428. Surface Tension Units

  1429. U238 and Half Life

  1430. Wormholes and Space-Time \

  1431. Glass, Brightness, and Reflectance

  1432. Color and Spinning Color Wheels

  1433. Grand Unification Force

  1434. Interference and Energy Density

  1435. Low Temperature Sensor

  1436. Neutrino Events

  1437. Rainbows When Sun is Blocked

  1438. Size of Electron

  1439. Skipping Rocks

  1440. Gravitational Fields and Worm Holes

  1441. Leg Characteristics and Soccer Kick

  1442. Orbital Synchrony

  1443. Single Slit Diffraction

  1444. Maximum Safe Shock Current

  1445. Electric Field Strength

  1446. String Propogation Modality

  1447. Primay Color and Solar Spectrum

  1448. Earth Rotation

  1449. Neutrinos and Humans

  1450. Fall Line and Gravity in Skiing

  1451. Zero Point Energy

  1452. QFT

  1453. Permanent Magnets and Photons

  1454. Relative Speed and Frame of Reference

  1455. Violin Harmonics

  1456. Neutrinos and Gravitation

  1457. Measuring Unknown Strobe Rate

  1458. Identifying Dimensions Beyond 4

  1459. "Jiffy" Time Scale

  1460. Heat and Cold

  1461. Water Rotation and Drains

  1462. Hot and Cold at 80 Degrees

  1463. Proton Bombardment in Magnetic Field

  1464. Balloon and Altitude

  1465. Sodium and X ray Photon

  1466. Hot Metals in Sunlight

  1467. Fish Size in Water

  1468. EM Waves, Charge, and Propagation

  1469. Electricity and Aqueous Sodium Chloride

  1470. Rolling Friction

  1471. Largest Z Number

  1472. Visibility of No Reflection

  1473. Current, Potential, and Coils

  1474. Beta Emission and Isotopes

  1475. International and Thermodynamic Calories

  1476. Blue Mountains (Airlight)

  1477. Stationary Charge and Relativity

  1478. Newton's Third Law (Math)

  1479. Quantum Physics and Baby Universe

  1480. Blow Dryer in Vacuum

  1481. Light Energy and Work

  1482. Balloon Sticking to Wall

  1483. Moon Illusions

  1484. Atomic Clock Mechanism

  1485. Double Slit Experiment Explained

  1486. Color and Temperature

  1487. Cosmic Microwave Background

  1488. Quarks and Sound Waves

  1489. Neutral Buoyancy

  1490. Charged Droplets and Dust

  1491. Car Collisions and Gallilean Relativity

  1492. Cause of Lunar Halo

  1493. Infinite Mass and the Universe

  1494. Inclined Plane Efficiency

  1495. String Theory and Fundamental Matter

  1496. Work and Energy

  1497. Why p for Momentum?

  1498. Newton's Frame of Reference

  1499. Slow Rocket Reentry

  1500. Spectra and Materials

  1501. Light Life Expectancy

  1502. Same Pole Magnet

  1503. Subatomic Particle Population

  1504. Free Atoms and Magnetic Charge

  1505. Coriolus Effect and Drains

  1506. Neutron Accelerators

  1507. Creating Magnets by Tapping

  1508. Thermal Expansion Discoverer

  1509. Quantum Effects and Distance

  1510. Black Hole Internal Event Horizon

  1511. Completely Dense, Volume?

  1512. Color and Temperature

  1513. Heating Metal Ring

  1514. Float on Its Own Kind

  1515. Temperature and Instrument Pitch

  1516. Non Matter Particles

  1517. Speed of Light and Snell's Law

  1518. Temperature and Gravitational Field

  1519. Hydrogen and Electricity

  1520. Temperature and Instrument Pitch

  1521. Solar Neutrino from Core to Surface

  1522. Stefan-Boltzmann and Freezing Water

  1523. Rising Steam and Its Temperature

  1524. Electrical Grounding

  1525. Sun and Cold in Space

  1526. Truck, Scooter Stopping Distance

  1527. Falling Car

  1528. Heating Metal Ring

  1529. Kater's Pendulum

  1530. Aboriginal Energy

  1531. Plastic Magnets and Currents

  1532. Heat of Fusion

  1533. Gas to Plasma Vocabulary

  1534. Edge of Night

  1535. Optical Density and Frequency

  1536. Newton Of Force and SI Units

  1537. Electrical Grounding

  1538. Local Gravitational Acceleration

  1539. Accelerated Electrons

  1540. Speed of Electric Flow

  1541. Black Room and Temperature

  1542. Light Year Long Pole Spinning

  1543. UV, IR, and Color Theory

  1544. Helium Balloons and Acceleration

  1545. Measuring Radio Waves

  1546. Nuclear Decay Cause

  1547. Critical Angle

  1548. Quantum Fluctuations

  1549. Distant Light and Straight Lines

  1550. Moment of Inertia and Rotations

  1551. Temperature of Static Electricity

  1552. Critical Angle

  1553. Heat Movement and Insulators

  1554. Young's Double Slit Experiment

  1555. EM Waves and Polarization

  1556. Cosmic Background

  1557. Equitorial vs Polar Centripetal Acceleration

  1558. Solar Color

  1559. Resistance of Water

  1560. Geiger Tube Operation and Design

  1561. Biot Savart and Ampere's Laws

  1562. Speed of Sound and Altitude

  1563. Measuring Particle Spin

  1564. Hydrogen vs Helium Proton Mass

  1565. Intergalactic Temperature

  1566. Muons

  1567. SLAC Energy into Matter

  1568. Leidenfrost Phenomenon

  1569. See Earth Spin From Moon

  1570. Orange Sunset

  1571. Motorcycles and Coriolis Effect

  1572. Maximum Falling Velocity

  1573. Frequency and Energy Relation

  1574. Quantum Mechanics and Gravity

  1575. Forces and Safety Factors

  1576. Radio Wave Interaction With External Fields

  1577. Cocentric Water Rings

  1578. Mass and Gravity

  1579. Splitting Neutrons

  1580. Measuring Friction of Rolling Ball

  1581. Force and Energy

  1582. White Moon

  1583. Gloss Black and White Reflections

  1584. Expansion of Space

  1585. Plotting Magnetic Topography

  1586. Limit to Impact Velocity

  1587. Superconductors, Orbits, Magnetic Field

  1588. Color Mixing: Magenta

  1589. Heat and Internal Energy

  1590. Sea Shells at the Sea Shore

  1591. Air and Air Resistance

  1592. Applied and Supplied Potential

  1593. Frequency of Water in Pan

  1594. Storing Compasses

  1595. Proton Interaction

  1596. Liquids Conducting Current

  1597. Latent Heat and Relativity

  1598. Electron - Proton Interaction

  1599. Vacuum Buoyancy

  1600. Material Preventing Magnetic Permiability

  1601. Liquids Conducting Current

  1602. Unbalanced Force

  1603. Surface Area to Volume

  1604. Light, Spherical Orbit, Black Holes

  1605. Hole in Texas and Higgs Boson

  1606. Fundamental Forces

  1607. Electromagnetic Interactions

  1608. Gyroscope Precession

  1609. No Beginning or End to Energy

  1610. Jumping in Moving Vehicles

  1611. Transparent and Opaque

  1612. Singing Kettles

  1613. Electron Orbits and Gravity

  1614. Magnetic Fields and Relativity

  1615. Mass Concept

  1616. Composition of Electricity

  1617. Water Level and Ice Fishing

  1618. Laser and Motion

  1619. Iron Inks

  1620. Car Contents Collision

  1621. Bubble Size and Fluid Motion

  1622. Magnets and Non-Magnetic Materials

  1623. Cosmic Rays to Electricity

  1624. Magnification and Field of View

  1625. Fundamentals of Refraction

  1626. Primary Colors

  1627. Nuclear Forces Holding Protons

  1628. Heat, Color, and Energy

  1629. Hollow Conductor Field

  1630. Pressure, Fluid Flow, Bottle

  1631. Mass of Lightning

  1632. Mass and Gravity

  1633. Instantaneous Light Intensity Function

  1634. Mass of Proton and Quarks

  1635. Magnetic Field Strength and Low Temperature

  1636. Ripples in Water

  1637. Curve of Rainbow

  1638. Impeach? (Impedance) in Electricity

  1639. Curve of Rainbow

  1640. Electrons and TV Screens

  1641. Hydrogen vs Fossil Fuels

  1642. Smallest Black Hole

  1643. g's on Banked Curves

  1644. C in Einstein's Equation

  1645. UV, IR, and Glass Transmission

  1646. Energy Definition

  1647. Photon Motion

  1648. Sunrise and Sunset Differences

  1649. Atmospheric Magnetic Polarity

  1650. Kinetic Energy Formula and Half

  1651. Newton's Cradle and Action-Reaction

  1652. Flying Off Earth

  1653. Classical Electron Radius

  1654. Expansion Greater Than Light

  1655. Capacitor Charge Holding Capability

  1656. Heat, Temperature, and Thermal Energy

  1657. Double Lunar Halo

  1658. Thin Film Interference Factors

  1659. Force to Push or Pull

  1660. Mountain-Valley Weight Difference

  1661. Optical Density Determination

  1662. Spectra, Temperature, and Energy

  1663. Stream of Water and Static Electricity

  1664. Wave Energy

  1665. Rainbows, Absorption Lines, Spectra

  1666. Cherenkov Radiation

  1667. Magnetic Flux Lines and Earth

  1668. White Water in Waterfall

  1669. Conductivity of Liquid Tungsten

  1670. Shock Waves in Space

  1671. Origin of Quantum Numbers

  1672. Golf Swing, Range, and Torque

  1673. Helium, Alpha Particle, Radioactivity

  1674. Images of Immersed Objects

  1675. Setting Up Pulleys

  1676. Shock Waves in Space

  1677. Solar Alignment or Earth Orbiting Satellite

  1678. Thermal Radiation Dependance on Temperature

  1679. Gravitons and Wave Function

  1680. Density of Ball and Distance Travelled

  1681. Mass Measurement and Buoyancy

  1682. Intrinsic Material Color

  1683. Falling Objects, Size, Timing

  1684. Firing North to South and Coriolus

  1685. Gamma Rays and Kinetic Energy

  1686. Golf Club Angles and Momentum

  1687. Proton - Neutron Interaction

  1688. Shape and Water Displacement

  1689. Hydrogen Binding Energy

  1690. Mostly Nothing is Something

  1691. Light as Form of Matter

  1692. Momentum Conservation in Bungee Jumps

  1693. Electrostatics Basics

  1694. Light Production

  1695. Color of Sun

  1696. Falling Objects, Size, Timing

  1697. Focal Plane

  1698. Density and Conductivity

  1699. Electrostatics Basics

  1700. Falling Objects, Same Time

  1701. Full Bottle, Hole, NO Leak

  1702. Luminosity and Frequency

  1703. Pinhole Imaging

  1704. Reflection Type and Angle

  1705. Relativity and Chemical Reaction Mass

  1706. Free Fall Ride Braking

  1707. Concave Mirror Images

  1708. Gravitaional and Centripetal Forces

  1709. Insulators and Density

  1710. Black Hole and Worm Hole Connection

  1711. Kinetic Energy and Zero Momentum

  1712. Temperature Variation and Sound

  1713. Full Bottle, Hole, No Leak

  1714. Fan Blade Reflection of Sound

  1715. Solar Propelled Spacecraft

  1716. Keeping Atoms Going

  1717. Light Intensity to Space

  1718. Fluorescent Tube Glow in High Potential Field

  1719. Liquid Plasma

  1720. Liquid to Gas Volume

  1721. Quantum Entanglement

  1722. Hall Effect and Quantum Number

  1723. Conservation of Energy Laboratory Activity

  1724. Temperature and Charging Capacitor

  1725. Fundamentals of Reflections

  1726. Time and Local Frames of Reference

  1727. Electromagnetic Waves and Fields

  1728. Spectra: Discrete Lines vs. Continuous

  1729. Mobile Charge

  1730. Sound Production by Moving Object

  1731. Magnetic Field and Cosmic Rays

  1732. Current, Power, Potential, and Teaching

  1733. Pascal's Principle

  1734. Ball Motion on Uneven Ramp Rails

  1735. Atomic Test Films

  1736. Microwaves and Energy Transfer

  1737. Gravity and Mountains Measurements

  1738. Beam of Light Across Universe

  1739. Electron-Nucleus Forces

  1740. Gravitational Push and Pull

  1741. Neutrino Speed

  1742. Neutrino-Antineutrino Photon Energy

  1743. Absolute Zero and Electromagnetic Waves

  1744. Electrons, Flow, and Conductors

  1745. Big Bang, Inflation, and Speed of Light

  1746. Spin Art Forces

  1747. Hubble Expansion and Speed of Galaxies

  1748. Magnetic Fields and Relativity

  1749. Gravitation Scientists

  1750. Smallest Time Unit

  1751. Electric and Magnetic Attraction Differences

  1752. Reference for Gravitational Potential Energy

  1753. Spring Potential Energy and Conservation

  1754. Speed of Sound, Density, Elasticity

  1755. Sun and Continuous Spectra

  1756. Compressional Wave Terminus

  1757. Pendulum Drop, Nail, Circular Motion, Energy

  1758. Sharp and Dull Knife Performance

  1759. Electron Speed in Superconductor

  1760. Energy in Bonds

  1761. Newton's Cradle Pulse Speed Limit

  1762. Speed of Light, Density, Expansion of Universe

  1763. Momentum and Kinetic Energy

  1764. Particle Trace in Fog

  1765. Photon Being Everywhere at Once

  1766. Yo-Yo Rotation

  1767. First Splitting of Atom

  1768. "Used Up" Electricity and Circuits

  1769. Roller Coasters and Accelerations

  1770. Ambiguous Force Question

  1771. Cooling Curve Experiment

  1772. Field Arrangement of Disk Magnets

  1773. Being Airborne on A Conveyor Belt

  1774. Permitivity and Permeability

  1775. High Atomic Number Isotopes and Radioactivity

  1776. Braking Determination

  1777. Magnets

  1778. Being Airborne on A Conveyor Belt

  1779. Tumble Generator

  1780. Rolling Masses

  1781. Electrical Density

  1782. Atomic View of Solids

  1783. Gyroscopes Made Simple

  1784. Buoyancy and Altitude

  1785. Buoyancy in Different Gravitational Fields

  1786. Archemedes' Principal and Weight

  1787. Black Hole 12 Billion Years Old

  1788. Gravity vs Gamma Wave Speed

  1789. Laws of Thermodynamics

  1790. Density and Buoyancy

  1791. Electricity and Trigonometry

  1792. Electromagnets NOT Becoming Permanent

  1793. Magnets and Materials

  1794. Momentum and Kinetic Energy

  1795. Pendulum Amusement Park Rides

  1796. Vertically Shot Bullet Landing Speed

  1797. High Energy Atmospheric Absorption

  1798. Permativity and Resistivity

  1799. Speed of Sound, Night vs Day

  1800. Origin of Energy

  1801. Gold Magnets

  1802. Static and Moving Electric Fields

  1803. Electron Whereabouts

  1804. Nuclear Physicist Career

  1805. Infrared Radiation and Temperature

  1806. Vertically Shot Bullet Landing Speed

  1807. Laws of Thermodynamics

  1808. Archemedes' Principal and Weight

  1809. Non-magnetic Metals

  1810. Edge Diffraction

  1811. Foucault Pendulum in Middle Latitudes

  1812. Magnetic Attraction and Repulsion Magnitudes

  1813. Planck, Quanta, and Continuum

  1814. Light Speed Propagation Rate

  1815. Flame in Microgravity

  1816. Force and Refraction

  1817. Non-Ohmic Diodes

  1818. Relativity and Photon Acceleration

  1819. Current and Charge Density

  1820. Density and Buoyancy

  1821. Tire Speed, Top vs. Bottom

  1822. Radiation From Earth

  1823. Definition of Atom

  1824. Electric Current: Random or Flow

  1825. Electrons Emitting Photons

  1826. Orbital Velocity and Radius

  1827. Snell's Law and Conservation of Energy

  1828. Weight of Electricity

  1829. Centripetal Force and Newton's Third Law

  1830. Light Always Faster Than Sound?

  1831. Free Electron Spin

  1832. Relative Velocity: Galillean Relativity

  1833. Friction and Earth's Orbit

  1834. Snell's Law and Conservation of Energy

  1835. Energy and Form of Matter

  1836. Charge Residual After Lightning Strike

  1837. Gravitational Propagation Rate

  1838. Space Shuttle Rotation on Launch

  1839. Solar Infrared Radiation

  1840. Negative Acceleration Moving Forward

  1841. Propulsion in a Vacuum

  1842. Centripetal Acceleration and Weight on Earth

  1843. Universe Expansion Representation Inconsistency

  1844. Big Nuts, Center of Mass, and Potential Energy

  1845. Orbital Velocity and Radius

  1846. Hunt For Fundamental Particles

  1847. Stopping Big Ships

  1848. Falling Into Black Hole

  1849. Universe Expansion Representation Inconsistency

  1850. Speed of Light and Time

  1851. Propulsion in a Vacuum

  1852. Action-Reaction in Freefall

  1853. Rocket Propulsion and Electric Motors

  1854. Energy of Rock at Top and Bottom of Hill

  1855. Magnetic Fields and Plasmas

  1856. Dynamic Microphone

  1857. Frictional Forces

  1858. Walking on Ice

  1859. Determining Magnetic Strength

  1860. Negative Energy Near Black Hole

  1861. Lowest Energy State Preference

  1862. Light Waves, Characteristics, and Measurement

  1863. Skinny and Fat Mirror Images

  1864. Diamagnetism and Static Electricity

  1865. No Air in Space

  1866. Radius of Gyration

  1867. Kite Flying Principles

  1868. Photon Frequency and Energy

  1869. Accelerated Charge, Photons, Feynman Diagrams

  1870. Magnetic Material and Field Lines

  1871. Electrons After Arrival at Destination

  1872. Magnetic Field Line Reach

  1873. Particle - Wave Duality

  1874. Speed of Sound and Medium Density

  1875. Color and Color Temperature

  1876. Energy Transfer in Stationary Collision

  1877. Multiple Light Source and Shadows

  1878. Optical Density and Refraction

  1879. Atomic Number Upper Limit

  1880. Mass From Fields

  1881. Solar System Gravitation

  1882. Source and Reflected Color

  1883. Maximum Aerodynamic Free Fall Velocity

  1884. Magnetic Fields and Lasers

  1885. Jar Color and Heat Transfer

  1886. Multiple Photon Emissions

  1887. Charge, Magnetism, and Newton's Laws

  1888. Photoelectric Effect and Photons as Particles

  1889. Electrostatic Charge Polarization

  1890. Electron Spin and Kinetic Energy

  1891. Swirling Drains

  1892. Impulse of Hitting Salt versus Fresh Water

  1893. Leg Length, Stride, and Speed

  1894. Sliding Versus Rolling on Friction Free Incline

  1895. Surface Tension and Electrostatics

  1896. C-9 Microgravitational Laboratory

  1897. Absolute Zero and Radio Frequency

  1898. Atomic Energy from Atoms

  1899. Moving and newton's Third Law

  1900. Particle Creation and Spin

  1901. Pendulum Rides

  1902. Measuring Light Wavelength

  1903. Electrons Faster Than Light

  1904. Kite Figure Eight's

  1905. Magnetic Field Intensity: Gas vs. Liquid

  1906. Percent Ordinary Matter

  1907. Mouse Trap Spring Potential Energy

  1908. Black Hole Temperature

  1909. Changing Photon Frequency

  1910. Color Without Light

  1911. Current Location in a Wire

  1912. Negatively Charged Plasma

  1913. Nuclear Fusion Emitting Energy

  1914. Shunts in Ammeters

  1915. Magnetic Force and Launch

  1916. Molecular Kinetic Energy

  1917. Coefficient of Friction in Space

  1918. Potential Difference and Battery Hookup

  1919. Musical Instruments, Quality Characteristics

  1920. Neutrino Penetration Depth

  1921. Properties of Space Between Subatomic Particles

  1922. Coefficient of Friction in Space

  1923. Magnet Characteristics

  1924. Wave Nature of Electrons

  1925. Electron Retracing Orbit

  1926. Introductory Physics References

  1927. Measuring Efficiency of Photovoltaic Cells and Temperature

  1928. Cooler in Shadows and Infra-red

  1929. Largest Atom Possible

  1930. Circular Roller Coaster Loop Dangers

  1931. Cluck-Cluck Cups, Friction, and Sound

  1932. Heat Flow at Equilibrium

  1933. Higgs Particle and Gravity

  1934. Light Traveling Through Dark

  1935. Speed of Light and Reflections

  1936. Conservation of Momentum and Energy

  1937. Expansion of Space and Atomic Size

  1938. Voltage, Parallel, Different Cells

  1939. AC and DC Superconductivity

  1940. Aristotelean Models to Quantum Mechanics

  1941. Conservation of Momentum and Energy

  1942. Relative Motion Founder

  1943. Heat Flow at Equilibrium

  1944. Electric Wires Falling on Cars

  1945. Determining Deformation in Bouncing Balls

  1946. Broken Magnets and Field Strength

  1947. Origin of Color

  1948. 'c' in E=mc^2

  1949. Magnetism "Big Idea"

  1950. Falling With Air Resistance

  1951. Helium and Pitch

  1952. Image Distance in Plane Mirrors

  1953. Javelin "Dip Angle" Change

  1954. Changing Media and Speed of Light

  1955. Frequency, Musical Instruments, Expansion

  1956. Photoelectric Effect and Electron Vacancy

  1957. Radiometer in Full Vacuum

  1958. Telescope Construction

  1959. Golf Club Head Mechanics

  1960. Height and Forward Roll

  1961. Jumping in Different Gravitational Fields

  1962. Accelerated Atoms and Electron Structure

  1963. Fundamentals of Electromagnetic Radiation

  1964. Temperature and Refractive Index

  1965. Infinite Resistor Grid

  1966. How Air Molecules Cause Friction?

  1967. Lightning in Vacuum

  1968. Fate of Photons

  1969. Mass Independence of Pendulum Period

  1970. Physics of Trumpet

  1971. Electron Path Length in Air

  1972. Spring Experiment to Determine Gravitational Field Intensity

  1973. Broken Magnets and Field Strength

  1974. Unpaired Electrons and Magnetism

  1975. Dropping Items While in Freefall

  1976. Black Holes and Speed of Light

  1977. Electron Orbital Velocity and Mass

  1978. Photoelectric Effect and Non-metals

  1979. Density and Surface Tension

  1980. Gravity and Buoyancy

  1981. Photons per Square Millimeter per Second

  1982. Everyday Quantum Phenomenon

  1983. Dropping Items While in Freefall

  1984. Hawking Radiation and Pair Annihilation

  1985. Lack of Proton Stars

  1986. Photon Size

  1987. "Seeing" Inside Atoms

  1988. Buoyancy of Vertical Columns

  1989. Thermal Energy Radiation

  1990. Accelerated Objects and Warped Space

  1991. Atoms, Fields, and Empty Space

  1992. Convex Lenses, Light Concentration, Glass

  1993. Mass of Shuttle and Floating Objects

  1994. Momentum, Particle-Antiparticle Collisions

  1995. Refraction and Speed of Light

  1996. Melting Snow Block in Fire

  1997. Electron Spin and Quantum Mechanics

  1998. Antiferromagnetic Properties

  1999. Newton's Third Law in Motion

  2000. "Seeing" Subatomic Structures

  2001. Star bursts in Photos

  2002. Induced Magnetic Field Direction

  2003. Fringe Width and Intensity

  2004. Multiple Plane Reflections

  2005. Weighing Sunlight

  2006. Buoyancy of Vertical Columns

  2007. Spontaneous Symmetry

  2008. Weight of Swinging Pendulum

  2009. Torque and Lever Arm Distance

  2010. Neutron Decay

  2011. Divisibility of Photons

  2012. "Expansion" of Light

  2013. Density and Displacement

  2014. Height of Center of Mass and Boat Mobility

  2015. Particles with No Gravitational Interaction

  2016. Dielectrics Holding Charges

  2017. Gamma Ray Penetration

  2018. Smallest Possible Thing

  2019. Solar Radiation, Peak Temperature, Heschel's Experiment

  2020. Matter, Empty Space, Penetration

  2021. Virtual Particles and the Speed of Light

  2022. Rust, Steel, Heat, and Magnetism

  2023. Orbiting Electrons, Radiation, and Stability of Universe

  2024. Glass Harmonica Excitation

  2025. Fundamentals of Temperature

  2026. Wind and Roller Coaster Performance

  2027. Cold Water and Convection

  2028. Spherical Magnet

  2029. Zero Momentum, Non-Zero Kinetic Energy

  2030. Electromagnetic Spectrum, Energy Transfer, Heat

  2031. Glow Color Change and Temperature

  2032. Currents in Series and Parallel Circuits

  2033. Measuring Energy Output

  2034. Big Bang and First Light

  2035. Center of Gravity and Stability

  2036. Energy Transfer, Photons, and Kinetic Energy

  2037. Photon Energy for Ionization

  2038. Origin and Propagation of Electromagnetic Radiation

  2039. Wood, Temperature, Pitch, and Musical Instruments

  2040. Cherenkov Radiation

  2041. Beat Frequencies

  2042. Image of Fish in Fish Bowls

  2043. Electrical Conductivity

  2044. Suspending Magnets

  2045. Inductance and Changing Magnetic Flux

  2046. Submarines and Geoids

  2047. Buoyancy and Elevator

  2048. Suspending Magnets

  2049. Suspending Magnets

  2050. Suspending Magnets

  2051. Suspending Magnets

  2052. Suspending Magnets

  2053. Suspending Magnets

  2054. Suspending Magnets



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