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Discovery
Beyond Cold: How the World Works at Minus 459 Degrees
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If we let the atoms expand for even longer, 50 thousandths of a second, we can see that quantum vortices have formed. The vortices appear as holes in this image.
Credit: Brian DeMarco, University of Illinois |
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The vortices are made more visible in this image by subtracting off everything but the vortices. These vortices are responsible for stopping the motion of the atoms.
Credit: Brian DeMarco, University of Illinois |
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This animation shows data used to measure how atoms move through the crystal of light. These images are taken after the light is turned off, and the atoms are allowed to freely expand for about 20 thousandths of a second. If you look carefully, you can see that the motion slows down.
Credit: Brian DeMarco, University of Illinois
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Graduate student David McKay gives a tour of Brian DeMarco's lab at the University of Illinois.
Credit: Brian DeMarco, University of Illinois |
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David McKay, graduate student in Brain DeMarco's lab at the University of Illinois.
Credit: Brian DeMarco, University of Illinois |
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