At 12:14 PM -0600 9/29/02, Philip Stortz wrote: >several researchers have made one or a couple of devices in the lab, >with great effort. the trick is figuring out how to make allot of them >and do it well enough that a complex circuit will have all good parts >most of the time. i think it was a decade ago that bell labs had a >transistor that switched with one electron, but no one has made an array >of them, and even the researchers had to resort to statistics to >establish that it was switching with one electron, it's pretty hard to >push or pull just one electron! there have also been very promising >purely optical devices, but again no one has figured out how to make an >array of them. that's the challenge in nano technology, getting the >devices to self assemble into a small array. it's a chicken and the egg >problem, likely once people figure out how to make a few nano machines >they can use those as tools to build better tools to eventually build >useful devices. there are frequent "break throughs", but not enough of >them to expect that magic any time soon. but yes, in a few decades you >may have a computer in your watch that makes a dual g4 or even a current >super computer seem wimpy, and it won't even use much power! > >B Yen wrote: >-------- >> They even talked to HP research, & were showing them the next technology -- >> turning molecules "on & off". I think this might be the new >>quantum computers. >> Trillions of "switches" per square cm. They showed some "image" >>of deposited >> wire, which showed "molecular bumps" along side of it. >------------
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