The Nexus 7, built by Asus with close oversight from Google, is the best Android tablet and the best seven-inch tablet. If you have already convinced yourself that you want either of those, this is the one you want. It's nice to be able to say that so concretely! But where the best seven-inch, or even the best Android tablet falls in the overall tablet market is the more important question.
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.