Physicists sank a telescope 1.5 miles under the sea to put Einstein's relativity to the test

8 hours ago 4

The view from inside a detector building block, with the yellow buoy of a nearby detection unit clearly visible. (Image credit: Edward Berbee/Nikhef)

A particle-detecting telescope sunk more than a mile beneath the sea off the coast of France has tested a core principle of Einstein's relativity and found no cracks.

The detector, called Oscillation Research with Cosm...

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