Physics

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Curling is one of the more unusual sports of the Winter Olympics, often drawing comparisons to shuffleboard, but played on ice. A roughly 42-pound curling rock, or stone, is pushed then slides down a sheet of ice, while two players furiously sweep the surface in front of the stone. The sweeping motion heats up the
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Holograms are pretty cool, sure. But they’re still just two-dimensional projections that hover in the air, and as soon as you step to the side, the magic disappears, revealing how flat the thing really is.   But now researchers from Brigham Young University have demonstrated they can create fully three-dimensional projections of moving images – and
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Achieving nuclear fusion without needing radioactive fuel or producing radioactive waste is now “within reach” thanks to a new laser-driven technique, according to researchers. The type of fusion we’re talking about is hydrogen-boron fusion, which produces no neutrons and therefore no radioactivity in its primary reaction. The downside, and part of what’s made it out
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Researchers at MIT have invented a temporary “tattoo” made from genetically programmed living cells. Their prototype looks like a stick-on patch with a pattern in the shape of a tree. It’s divided into sections printed with a slurry containing live bacteria that fluoresce when they come into contact with particular compounds. When the skin under
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An international team of scientists employed highly precise methods to uncover the most exact measurement of the magnetic moment of protons. They found it to be 2.79284734462, plus-or-minus 0.00000000082 nuclear magnetons (the typical unit for measuring this property). The magnetic moment is a property of particles that is a prerequisite for magnetism, and applied to
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For the first time, scientists have witnessed lightning triggering nuclear reactions in the atmosphere, confirming a hypothesis dating back almost a century. It’s long been predicted that high-energy electrons in lightning can produce gamma rays that induce nuclear reactions in thunderclouds, but before now, the phenomenon has never been conclusively observed. “The photonuclear reaction in
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During the mid- to late-twentieth century, quantum physicists picked apart the unified theory of physics that Einstein’s theory of relativity offered. The physics of the large was governed by gravity, but only quantum physics could describe observations of the small. Since then, a theoretical tug-o-war between gravity and the other three fundamental forces has continued