Apple just announced the next version of Mac OS X, the operating system that runs on all Mac computers. It'll be called Mountain Lion, it'll come out this summer for an unspecified price, and it'll be chock full of the same apps you use on your iPhone and iPad. It's one more stop on the way to Apple's Ultimate Plan for Gadget Dominance (not an official title.): the convergence of Mac OS and iOS, which began in earnest with the current version, Lion.
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.