At last year’s show, it was far from certain that Detroit’s Big Three would still exist in early 2010; they’re still with us. Ford and GM are building impressive new cars. Chrysler, which essentially had nothing but repainted versions of existing models on display, is another story. And this year it became obvious that the growing call to electrification won’t fade away anytime soon; nearly every automaker has now announced plans (some credible, some less so) for the launch of hybrid or pure-electric vehicles in the coming years. Altogether, the show gave the impression of a shaken industry thrilled for the chance at a fresh start.
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.