Steampunk nanotech sees the light of day

Nanomachines – cutting edge ideas, right? Well, not really; Drexler was kicking the ideas around in the 70s, long before they were even vaguely practical. But the ancestry of nanotech concepts goes back further – 140 years, in fact, to a theoretical design for a molecular machine called Maxwell’s Demon, which has finally been built by a team at the University of Edinburgh. [gizmodo]