Last night, Google introduced the newest version of Android, to be called Ice Cream Sandwich. It's easily the biggest update to Android in years, combining elements of the tablet-only Honeycomb with a whole bunch of new ideas, and a firm focus on cohesion--a major complaint about Android. Google also showed off the new Samsung-made Nexus flagship phone, and it is a monster: a 4.65-inch screen in full 720p resolution, and no buttons at all.
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.