I just read this on Slashdot, but it seems that they've found a way to get energy from blood to power devices. They say you can squeeze about 100W, in theory, out of the human body. It's the Matrix! Eeeeeeeeeeeeek!
Anyway, seriously, it sounds neato.
And for all your LotR fans, how would you like to write Elvish using your computer? Assuming this isn't old news.