By Cornelius Howland
Posted 06.12.2009 at 11:51 am 8 Comments
You'll save some energy turning your computer off for an hour, but those modest energy gains might come at the expense of your computer's longevity. To figure out just how much energy an average computer consumes during its various states of use, we asked Harvard University physicist Wolfgang Rueckner to run a few tests on his 2005 iMac G5.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.