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Job Alert: How Would You Like to Babysit Robots?

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Book a night at LAX’s Residence Inn and you may be fortunate enough to meet an employee named Wally. His gig is relatively pedestrian—bring you room service, navigate around the hotel's clientele in the lobby and halls—but Wally’s life is far more difficult than it seems. If you put a tray out in front of […]

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Secret Link Uncovered Between Pure Math and Physics

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Click:Construction diagnostic tool Mathematics is full of weird number systems that most people have never heard of and would have trouble even conceptualizing. But rational numbers are familiar. They’re the counting numbers and the fractions—all the numbers you’ve known since elementary school. But in mathematics, the simplest things are often the hardest to understand. They’re […]

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Trump Hasn't Signed a Space Force Into Being—Yet

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After months of teasing a new military arm devoted to extra-stratospheric security, President Donald Trump publicly ordered the Department of Defense and the Pentagon to immediately begin establishing a Space Force as the sixth branch of the armed forces on Monday. Well, maybe. The president’s statement was not accompanied by any written directive or executive […]

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How Dark Matter Physicists Score Deals on Liquid Xenon

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If you want to build and run a $70 million dark matter detector, you're going to have a hefty shopping list. You'll need to buy hundreds of photomultiplier tubes, set up elaborate electronics, and pay graduate students, for starters. And 20 percent of your cash is going to go to just one thing: xenon gas. […]

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How Fast Do Spacecraft Travel in The Expanse?

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Maybe you thought my previous post on the crushing g-force of the Epstein drive from The Expanse would be the end of that. Wrong. This is such great clip, I have to do more. In case you missed it, let me tell you what's going on. This guy has a spaceship near Mars (maybe in […]

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Winter Olympics 2018: Can Ski Wax Help Win Gold?

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At the 2014 Sochi Winter Olympics, the 4 x 10 kilometer relay was supposed to be a battle of cross-country ski titans Norway and Sweden. Felix Breitschädel watched from the sidelines as the race unfolded under a warm Russian sun. But when the first skiers emerged from the woods onto the arena packed with spectators, […]

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SpaceX Set to Launch a Reusable Rocket to the ISS

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Update: On Tuesday, SpaceX delayed its launch from December 13 to Friday, December 15 at the earliest. Launch is currently set for 10:35 AM Eastern. For the first time since a fiery pre-launch disaster in September last year, cloud plumes surrounded Pad 40 at Cape Canaveral last Tuesday as SpaceX test-fired one of its pre-used […]

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What Is Up With Those Pentagon UFO Videos?

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On December 17, 2017, a newspaper printed a story titled “Real U.F.O.’s? Pentagon Unit Tried to Know.” No, the headline wasn’t surrounded by text about post-baby bods and B-listers’ secret sorrows. Because it was on the front page of The New York Times. The article describes a federally funded program that investigated reports of unidentified […]