Apple's Tim Cook is in the middle of his keynote at WWDC 2012, this year's Worldwide Developer's Conference, and just flipped the sheet off the new line of Apple laptops. They are better than last year's! There's a much bigger separation in price and features between the two laptop lines, the Air and the Pro--the Air is Apple's laptop for everyone, now. The Pro is for, well, pros.
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.