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The best robot vacuums

How we picked and tested Our 2017 finalists (starting at the top, left to right): iLife A4s, Monoprice Strata Smartvac 2.0, Samsung Powerbot R7070, LG Hom-Bot Turbo+, iRobot Roomba 690, iRobot Roomba 960, EcoVacs Deebot N79, Eufy RoboVac 11. Photo: Liam McCabe Since 2013, we’ve tracked 121 robot vacuum models, ...

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Sure looks like China has a ship-mounted railgun

Ever since Eraser, everyone wants a railgun. Turns out China is no exception. Some photos posted by Dafeng Cao, a Twitter user who keeps close tabs on Chinese military developments, show a ship-mounted gun that could very well be the country’s very own homegrown electromagnetically propelled mass driver. Railguns, or ...

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Hulu Live TV subscribers can customize their Olympic coverage

Subscribers will have access to all of NBC’s Olympics coverage, but content in their Olympics collection will be ranked based on their preferences. Hulu is also putting together other collections of content that will compile highlights and clips from the Games. Comcast announced earlier this month that it’s also giving ...

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