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Please wait http://xnxx-xnxx.space/ xnxx tube Gravity is a more well-​​know force, but it’s also extremely weak for unknown reaÂÂsons, OriÂÂmoto said. You can get a sense of its weakÂÂness, she explained, by counÂÂterÂÂacting earth’s gravÂÂiÂÂtaÂÂtional pull on a tiny paperÂÂclip by moving it with a single magnet. While clasÂÂsical physics does a fine job of explaining how gravity works on a macroÂÂscopic scale, things fall apart when parÂÂticle physiÂÂcists try to underÂÂstand it at the quantum level. |
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2019-06-16 10:05:16 |
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