why atomic precision assemblers?

From: Eugene Leitl (eugene.leitl@lrz.uni-muenchen.de)
Date: Sun Jan 23 2000 - 21:42:41 MST

gary tripp writes:
> Why must we have assemblers that pick and place each atom?

Assemblers don't pick and place each atom, even if formally only one
atomic moiety is deposited.

> Wny couldn't we create molecular parts through the methods of bulk
> chemistry and then use drexlarian type assemblers to fuse these larger
> molecular parts into structures that have some use. We wouldn't be

See convergent assembly.

> able to make everything but we might be able to make useful machines
> nontheless. We could make probes for nanomedicine out of these.
> Moreover, we may only require few types of standard parts to truly useful
> structures.

The idea has merit. Structural bulk and coarse structures could be
deposited by a very controlled polymerisation. This increases
processivity by orders of magnitude and vastly decreases heat

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