Prolific Ryan Singel has posted two more:

Hackers have long been used to cranking out code in the morning and having a working prototype by the afternoon, but have been frustrated that they can’t do the same with hardware. That’s starting to change, and fast, driven in part by robotics enthusiasts and do-it-yourself types who are utilizing a new generation of open source hardware platforms and rapid fabrication tools.

Imagine a drug that can reduce your need for sleep, increase your concentration and make you smarter, with minimal side effects.