Green Plug

Green Plug's Digital Power

Future gadgets might demand less power--and ask nicely instead

Green Plug wants to rewire your gizmos and even your home, and ditch most of your wall wart chargers in the process. Instead of each gadget having its own charger built to deliver just the right amount of power, it would have a chip that tells a universal charger how much power it needs.

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November 2009: Astronaut 3.0

Inside NASA's astronaut bootcamp and the grueling new training regimen for deep space. Plus, ten young geniuses shaking up science today, one writer's quest to analyze every man-made chemical in her body and more.

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