The JVC Everio G shakes the short recording time and so-so picture quality that dogged earlier tapeless camcorders. It records seven hours of DVD-quality MPEG-2 video (or longer at lower quality) straight onto a built-in 30-gigabyte hard drive. Offload video to your PC and burn it to DVD, no conversion required. 2.6 x 2.8 x 4.3 inches; 0.71 pound; $1,000
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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?