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HESS Telescopes Explore the High Energy Sky They may look like modern mechanical dinosaurs but they are enormous swiveling eyes that watch the sky. The High Energy Stereoscopic System (H.E.S.S.) Observatory is composed of four 12-meter reflecting-mirror telescopes surrounding a larger telescope housing a 28-meter mirror. They are designed to detect strange flickers of blue light -- Cherenkov radiation --emitted when charged particles move slightly faster than the speed of light in air. This light is emitted when a gamma ray from a distant source strikes a molecule in Earth's atmosphere and starts a charged-particle shower . H.E.S.S. is sensitive to some of the highest energy photons ( TeV ) crossing the universe. Operating since 2003 in Namibia , H.E.S.S. has searched for dark matter and has discovered over 50 sources emitting high energy radiation including supernova remnan

* Frosthaven has now ended. * The Frostivus consumables bundle no longer contains Frosthaven consumables. Its price has been lowered to 750 to reflect this. via Steam RSS News Feed "http://bit.ly/2RdBnmY"

Science It's not just good news for lovers of salsa. Capsaicinoids, a group of chemical compounds found in peppers, have useful properties beyond making food taste delicious. via Popular Science "http://bit.ly/2FdMcyh"

Space The Large Magellanic Cloud isn’t just a pretty satellite galaxy—it’s also a future threat. A large, furious body of hot energy and gas is going to hurtle into our little home, throwing all the different pieces that make up the galaxy into a horrific scene of… via Popular Science "http://bit.ly/2QtxPrx"

Technology Top picks from the editors at Cycle World. Velocity and variety are both available in 2019 as the motorcycle space is full of motorcycles we’re dying to ride next year. via Popular Science "http://bit.ly/2FfKXPG"

Technology Great news for people who like to watch stuff on big screens and also poop. Follow along with all the CES announcements without having to brave the Vegas show floor. via Popular Science "http://bit.ly/2Qtg37J"

Environment One seismologists's crusade to prepare our cities for the next Big One. One seismologists is on a crusade to prepare our cities for the next Big One. via Popular Science "http://bit.ly/2VAoL83"

Today's Deal: Save 33% on Universe Sandbox ² !* Look for the deals each day on the front page of Steam. Or follow us on twitter or Facebook for instant notifications wherever you are! *Offer ends Wednesday at 10AM Pacific Time via Steam RSS News Feed "http://bit.ly/2LXqkbw"

Health But that doesn’t mean you’re imagining things. Food allergies can be confusing to figure out. Once a food item has wrecked havoc on any part of your body, whether its an itchy rash or a bout of diarrhea, its easy to… via Popular Science "http://bit.ly/2FbVhIL"

Gadgets Bring scientific precision to your cooking. Normal kitchen gadgets are fine and all, but you know that cooking—like baking—is a science. Treat it that way. via Popular Science "http://bit.ly/2CBj8fz"

DIY Stay focused and on-task. Working from home doesn't have to mean a dip in productivity. These apps and gadgets will help you stay focused, motivated, and on-task. via Popular Science "http://bit.ly/2Ff7ufu"

Science On its 150th anniversary, a chemist looks back at the various tables we almost ended up with. The periodic table didn’t actually start with Mendeleev. Many had tinkered with arranging the elements. via Popular Science "http://bit.ly/2RFr9em"