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AnonTechie [soylentnews.org] writes:

While there are deep theoretical reasons why gravitons should exist, detecting them may be physically impossible on Earth. For example, the conventional way of measuring gravitational forces — by bouncing light off a set of mirrors to measure tiny shifts in their separation — would be impossible in the case of gravitons. According to physicist Freeman Dyson, the sensitivity required to detect such a miniscule distance change caused by a graviton requires the mirrors to be so massive and heavy that they'd collapse and form a black hole.
https://asunews.asu.edu/20140303-graviton-research [asu.edu]

http://phys.org/news/2014-03-elusive-graviton.html [phys.org]

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