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2020-07-20: The Boundary Between Black Holes & Neutron Stars

  • 02:00: ... Louisiana and the VIRGO observatory in Italy, consist of kilometers-long vacuum tubes set at right ...

2015-10-22: Have Gravitational Waves Been Discovered?!?

  • 05:11: Split it in two, and then send the twin beams at right angles down four-kilometer long vacuum tubes.
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