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An ancient hill where you can touch thousands of dinosaur footprints

By   /  January 13, 2011  /  In Other News  /  No Comments

io9 In Sucre, Bolivia, a limestone wall rises at an angle above the ground, its surface criss-crossed with thousands of dinosaur tracks. It’s the biggest collection of dinosaur footprints in the world. How did these 68 million-year-old prints wind up here? The truly strange thing is that the wall wasn’t discovered until the mid-1990s, when [...]

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Laser smaller than a hair could spark a technological revolution

By   /  January 13, 2011  /  Science & Technology  /  No Comments

io9 Scientists at Berkeley have created a laser that’s a fraction of the size of a hair. This ultra-tiny laser is so precise that its beam can detect individual molecules. Lasers are used for everything from media storage, to medicine and manufacturing. Their precision and energy have allowed people to very accurately measure or convey [...]

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