Re: Nano-Copters

Date: Fri Nov 24 2000 - 07:42:59 MST

In a message dated 11/24/2000 2:30:24 AM Eastern Standard Time, writes:

<< According to the analysis in Robert Freitas' book Nanomedicine, rotors
 don't work well at the cellular scale. The fluid dynamics are wrong.
 Propellors rely on turbulence and vortices but it is hard to get that
 at the ultra-small scale.
 Hal >>
That makes sense. Perhaps we should consider it a proof of principle,
development; much like the 'successes' of the steam-powered automobiles, last

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