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Showing posts from October 26, 2018

Astronomy Picture of the Day: Airglow Borealis

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Airglow Borealis The best known asterism in northern skies hangs over the Canadian Rockies in this mountain and night skyscape taken last week from Banff National Park. But most remarkable is the amazing greenish airglow. With airglow visible to the eye, but not in color, the scene was captured in two exposures with a single camera, one exposure made while tracking the stars and one fixed to a tripod. Airglow emission is predominately from atmospheric oxygen atoms at extremely low densities. Commonly recorded in color by sensitive digital cameras the eerie, diffuse light is seen here in waves across the northern night. Originating at an altitude similar to aurorae, the luminous airglow is due to chemiluminescence , the production of light through chemical excitation and radiative decay. Energy for the chemical excitation is provided during daytime by the Sun's extreme ultraviole

Now Available on Steam - No Way Out - A Dead Realm Tale

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No Way Out - A Dead Realm Tale is Now Available on Steam! No Way Out: A Dead Realm Tale is a chilling VR experience that takes you to hell and back! Race against the clock as you solve puzzles in this haunted mansion caught between our world and the Dead Realm. Will you escape? Or will you become just another lost soul trapped forever in Huxley’s Mansion? via Steam RSS News Feed "https://ift.tt/2AuoniU"

We can save coral reefs by putting them on ice

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Environment Without even giving them freezer burn. The new research suggests we could preserve diverse coral larvae for decades. via Popular Science "https://ift.tt/2z6cgGS"

The best new cameras and photography gear from Photo Plus 2018

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Gadgets The biggest camera show in the U.S. has some impressive new models. All the best new gear that we saw during the New York City show. via Popular Science "https://ift.tt/2Rgr9hm"

Blow flies help us solve murders—but climate change is forcing them out

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Nexus Media News Rising temperatures are driving these crime-fighting insects from their homes. Blow flies are showing up in the Midwest, where they never used to be. Climate change explains why this species is on the move. via Popular Science "https://ift.tt/2z60WdH"

MEGAPIXELS: This geometric iceberg will soothe your soul

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Science It doesn’t even look real. Okay so it’s not a perfect rectangle, but this floating ice sheet gets unsettlingly close. NASA scientists spotted the geometric beauty in Antarctica earlier this… via Popular Science "https://ift.tt/2PT01Vc"

Not all Twitter bots are bad

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Technology An ode to the best of the automated accounts. Twitter is cracking down on bots—and for good reason. But not all bots are bad. via Popular Science "https://ift.tt/2AuUIGe"

Fewer people got the flu shot last season—and that may be why it was one of the deadliest

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Health Young, healthy people need to get the shot too. By now you’ve probably heard that last year’s flu season was one of the worst on record. New data may tell us why. via Popular Science "https://ift.tt/2OSvASA"

Credit card stolen or lost? Here's what to do.

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DIY Defend your information. It’s become a sad reality of the modern world: Someday, your credit card information will fall into the wrong hands. Here's what to do when that happens to you. via Popular Science "https://ift.tt/2OSgyfC"

The oldest weapons in North America offer a new view of prehistoric tech

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Science The Paleoamerican migration plot thickens. The spearheads date back to more than 13,500 years ago, making them possibly the oldest weapons ever found in North America. via Popular Science "https://ift.tt/2Sl7MoC"