The spirit of innovation. Convergence. Convenience. My hat is tipped to the Canon X MARK I calculator-cum-mouse for embodying it all. But it's not satisfied with mere mousing and calculating; it also serves as a Bluetooth number keypad for your PC or Mac.
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.