Our sister site, Sound & Vision, just published a great guide to getting the most out of your HDTV. Thanks to Black Friday/mass consumerism/the return of Parks & Recreation, a lot of people will be buying shiny new HDTVs and then neglecting to properly calibrate them. This guide should set those regrettable buyers straight.
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.