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Popular Science – November 2010

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Popular Science – November 2010 English | True PDF | 118 Pages | 19.7 MB 50 MARS IN 39 DAYS NASA wants to send humans to Mars, but its preferred rocket technology is too slow. Former astronaut Franklin Chang Diaz has a plan—and an engine—to make the trip a reality. By Sam Howe Verhovek 69 BRILLIANT 10 Meet the brightestyoung researchersin America, 10 emerging scientists who are creating bullets out of sound waves,making robots that school with fi sh, and predicting the next flu pandemic. 66 PERFECT TIMING Strontium atomic clocks are three times as accurate as the current standard. Here’s how they tick. By Erika Villani 56 DINNER DETECTIVES Scientists deploy DNA forensics to protect vanishing species. By Laura Allen HEADLINES 35 SPACE Are American astronauts getting adequately trained in Russia? 36 ARCHAEOLOGY Robots map the entire Titanic wreck in 3-D. 38 INVENTION OF THE MONTH A better MRI, built in a basement. 48 SPACE TECH Astrobots battle for supremacy. WHAT’S NEW 19 GADGETS A cellphone that performs electrocardiograms. 20 THE GOODS The farthest-zooming camera, and more. 30 GADGETS Cameras that let you fi lm in a new dimension. 32 AUTOMOTIVE Reinventing the internal combustion engine. FYI 96 Can we repurpose retired space shuttles as space stations? HOW 2.0 85 YOU BUILT WHAT?! A giant PC-controlled chess set built from Legos. 88 GRAY MATTER How stuntmen light themselves on fi re. 90 USE IT BETTER Control your media with free software. 92 ASK A GEEK Can I bring everything on my computer with me anywhere on a thumb drive? OTHER STUFF 10 FROM THE EDITOR 12 THE INBOX 112 THE FUTURE THEN

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