By Tom Clynes
Posted 07.03.2006 at 2:00 am 0 Comments
We've been burning "biomass" since the Paleolithic era, when wood fires warmed the cave and slow-roasted the leg of mastodon. Today most biomass energy still comes from wood, but we're perfecting new ways to produce electri-city from agricultural waste, grassy plantseven sewage.
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.