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They’re one of the weirdest, most incongruous-looking natural phenomena you could ever see on Earth’s surface: massive dagger-shaped blades of vertically aligned ice, assembled in mysterious flocks in the middle of the desert. These strange ice spire formations – called ‘penitentes‘ due to their resemblance to penitent, praying folk – take shape at high altitudes
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Automatic landing systems using radio guidance have been a feature of commercial airliners for decades, but there’s never been a heart-in-your-mouth touchdown quite like this. In an incredible new video, researchers show a test flight in which a small four-seater plane fitted with an experimental optical positioning system successfully nails an entirely automated landing –
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Before fireworks streaked across the skies of southern California on July 4, nature unleashed its own thunderous blast of energy: an earthquake. The magnitude 6.4 temblor struck near Ridgecrest around 10:34 a.m. PT, cracking roads, bursting water mains, and toppling electrical power lines with its might. A larger, 7.1 magnitude has since struck Southern California. Before that,
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An earthquake with a preliminary magnitude of 7.1 magnitude hit Southern California Friday evening, just one day after another massive quake (6.4 magnitude) hit the region on the Fourth of July. According to United States Geological Survey, the quake, occurred around 8:19 p.m. local time, with the epicentre 11 miles away from Ridgecrest, California, approximately
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In the summer of 1935, the physicists Albert Einstein and Erwin Schrödinger engaged in a rich, multifaceted and sometimes fretful correspondence about the implications of the new theory of quantum mechanics. The focus of their worry was what Schrödinger later dubbed entanglement: the inability to describe two quantum systems or particles independently, after they have