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« Space: The Ultimate Lifeboat? | Main | MM in Six Dimensions »

June 15, 2006

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DT

I have a question, in your theory is old/waste products recyclable to use the molecules again or would the molecules be too poor of a quality to reuse?

Also how can you produce your own car with a table top machine?

Phillip Huggan

I put my latest idea of a post-MNT civilian defense on the wiki. The product to be built is an underground city. It would be a neat idea for the Lifeboat Foundation to develop. I know Japan is presently building some futuristic cities underground.

http://wise-nano.org/w/Post-MNT_civilian_defences

Chris Phoenix, CRN

DT,
1) The molecules might need to be broken down to atoms and recycled. Atoms of course can't be damaged by anything short of a particle accelerator, nuclear explosion, etc., so the atoms will be indefinitely reusable.

2) A tabletop machine might produce 1 kg/hr. Sounds like it requires 1000 hours to make a 1000 kg car. But it's not so bad. First, materials will be at least 100 times as strong, so you only have to make at most 10 kg. Then, the motor will almost vanish, because of the higher power density of smaller devices; that saves at least a few kg. Likewise, the battery, the copper wiring, and many of the cosmetic parts can be far lighter.

Finally, if you don't want to wait a few hours for your car, you have your tabletop nanofactory build another one twice as big. From then on, your product manufacturing times are cut in half.

Chris

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