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Does the Indictment of a Killer Cop Mean That Body Cams Work?

University of Cincinnati Police Officer Ray Tensing has been indicted for murder in the shooting of Samuel Dubose, an unarmed black man. According to prosecutor Joseph Deters, video captured by Tensing’s body camera was the critical piece of evidence in the decision to pursue charges. Does this mean that cameras work? » 7/30/15 3:30pm Today 3:30pm

Seeing a M1128 Stryker fire its cannon makes my spine freeze

It’s not even the blast from the cannon of the M1128 Stryker that scares me the most (though it is a very impressive blast). It’s the fact that right after the 105mm cannon goes boom, the world around it looks post-apocalyptic. The ground shakes so hard from the gun that it looks like lost souls are being released… » 7/30/15 2:14pm Today 2:14pm

A Rare Glimpse of the Ancient Infrastructure That Controls NYC's Subway

New York City’s subway system is a wonder of engineering—but sadly, that engineering is so old that it’s not even manufactured anymore, causing huge problems for the people who run it and anyone trying to use it. That means the MTA has built a whole shop up around trying to maintain its aging technology, and now… » 7/30/15 1:45pm Today 1:45pm

10 Books You Pretend to Have Read (And Why You Should Really Read Them)

Science fiction and fantasy offer a rich legacy of great books—but that abundant pile of reading material can also be daunting. So sometimes, it’s easier to fake it. We asked some of our favorite writers, and they told us the 10 books that everyone pretends to have read. And why you should actually read them.
» 7/30/15 1:43pm Today 1:43pm

Today's Best Deals: Cheap Espresso, $19 Watch, Smart Thermostat, More

Here are the best of today’s deals. Get every great deal every day on Kinja Deals, follow us on Facebook and Twitter to never miss a deal, join us on Kinja Gear to read about great products, and on Kinja Co-Op to help us find the best. » 7/30/15 1:15pm Today 1:15pm

A Hidden Tesla Coil Wirelessly Powers This Lamp's Interchangeable Bulbs

Based on a fun demo used at science centers across the country, the Arc Light features a pair of glowing LED tubes that aren’t actually connected to the lamp in any way. Instead, tucked out of sight is a compact Tesla coil that wirelessly powers the bulbs whenever they’re close enough. » 7/30/15 12:10pm Today 12:10pm