It used to take a geek to program a command-everything universal remote control. With Philips's new device, setup is a simple point-and-press process. Tell it what equipment you have and what you want to do, and tap the buttons it tells you to tap. Then, instead of turning on the DVD player and the stereo and switching speakers and changing settings, you can simply press the "watch DVD" button. $600
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.


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