Just to clarify: gas bearings are not frictionless. Magnetic bearings and electrostatic bearings could be, if in a vacuum.
Comment by Robert Ando — November 5, 2012 @ 1:51 pm
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Just to clarify: gas bearings are not frictionless. Magnetic bearings and electrostatic bearings could be, if in a vacuum.
Comment by Robert Ando — November 5, 2012 @ 1:51 pm