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2. Dr Heidi Fearn CSUF Physics. Contents :. Why can't we just scale down machines, build the same mechanical parts only smaller? Stickiness, Brownian motion, surface to volume ratio, weird quantum forces.Where are we with respect to self assembly of machine parts? Drexlers dream machines. Grey Goo? Borg?Can we live forever, with nanobots in our blood?What about components for circuits and the promise of Terahertz CPU's in the future? (1000x faster than today's Pentium 4 chip, 3 or 4 GHz)..
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