You won't look like a film-school refugee while toting the 1.4-pound HDR-HC1, which captures full 1080i HDTV-resolution video with a body that's about one third the size of its rivals. It uses readily available MiniDV tapes for HD capture, enabling both high-def and standard-def playback straight from the camcorder. 2.7-inch widescreen display;
10x optical zoom; $2,000
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.