Molecular gyroscopes are chemical compounds or supramolecular complexes containing a rotor that moves freely relative to a stator, and therefore act as gyroscopes. Though any single bond or triple bond permits a chemical group to freely rotate, the compounds described as gyroscopes may protect the rotor from interactions, such as in a crystal structure with low packing density or by physically surrounding the rotor avoiding steric contact... the rate for inertially rotating p-phenylene without barriers is estimated to be approximately 2.4 x 10^12 per second (2,400,000,000,000 RPS)...The human mind (at least mine) is not capable of conceiving of such behavior.
20 October 2014
"Two trillion rotations per second"
That's the speed of a molecular gyroscope.