"Small" is still far from the right word for the 2009 Consumer Electronics Show. But by every measure—both official and anecdotal--it was a slimmer event than in years past. In overall terms, attendance was down by at least 12,000, and probably a good deal more. Last year's official tally was approximately 141,000 visitors. Sources inside CEA say that this year's was well under the 130,000 that had been projected.
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.