Want a new cellphone? Just press a button. What looks like painted artwork on the Hitachi W61H phone is actually a new E-Ink screen. Unlike LCDs that add bulk to a device, manufacturers can add these screens—just twice the thickness of a hair—as if they were stickers.
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Science is reinventing play, from extreme sports to gamification to ridiculous roller coasters to the playgrounds of tomorrow, and this issue is chock full of fun. Also, on a less fun note: Did global warming destroy my hometown?