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Bill Nye Explains Gravity Waves

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Bill Nye is always dressed for a party, but this time his celestial bow-tie pays respect to one of our era's greatest discoveries: gravitational waves.
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Transcript - The announcement was made that we detected a gravity wave from a distant object that had a very big or catastrophic gravity event millions of years ago when the gravity wave showed up here. Gravity wave, obviously how hard could it be? So when I do experiments on light to detect particles we detect particles of light. When we do experiments on light to detect waves we detect waves of light. When we look at forces, that's the transmission or the force over a distance is the transmission of energy, so we can find energy traveling in waves, we can find energy traveling in packet or particles. So people have speculated since – well, this is the hundredth anniversary of Einstein publishing his landmark papers, people have speculated on the nature of gravity. Now understand we understand gravity with extraordinary precision. We land spacecraft on Mars precisely.
Everybody watching this has probably used a global positioning system on his or her phone or in a car or in an airplane that's navigating with global positioning. Those satellites that enable the system to work rely on both special relativity, which is the influence of the speed of the spacecraft relative to the airplane or ground, and general relativity, which is the speed of time as effected by the Earth's gravity. So people have suspected or speculated that there will be waves of gravity. And ways of gravity would date back to the big bang, to the origin of the universe 13.7 billion years ago, but they're very weak, extraordinarily weak. Compare how easy it is to use chemical energy to hold a ball up against the pull of gravity or just hold yourself upright against the pull of gravity. Gravity, of the forces of nature, is the weakest one and so if its energy or force or influence moves at the speed of light, like everything else does, does it move in waves? Read Full Transcript Here: .
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