The T-Mobile G1 smartphone, which comes out October 22 for $179, is a serious upstart challenger; a device that provides an easy-to-use touchscreen display, lets you download music directly to the device from the Internet, and has a full QWERTY slide-out keyboard. Using the G1 is intuitive and enjoyable. It reveals to the world once again that every other smartphone you've ever used besides the iPhone (Motorola, Samsung—are you listening?) now seems clunky and old-fashioned.
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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?