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Panoramix
on Feb 11, 2016
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Physicists Detect Gravitational Waves, Proving Ein...
They also injected fake signals into the detector now and then, partly to keep the analysts on their toes.
http://www.ligo.org/news/blind-injection.php
bbcbasic
on Feb 11, 2016
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I don't think they are expected to tell its fake though? It's hard to do a double blind experiment without a "placebo universe".
kordless
on Feb 11, 2016
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That's a rather loaded philosophical question you are asking there - assuming you are serious about the double blind experiment.
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