Fiber optic cables detect and characterize earthquakes

In California, thousands of miles of fiber optic cables crisscross the state, providing people with internet. But these underground cables can also have a surprising secondary function: they can sense and measure earthquakes. ...

Most distant detection of a black hole swallowing a star

Earlier this year, the European Southern Observatory's Very Large Telescope (ESO's VLT) was alerted after an unusual source of visible light had been detected by a survey telescope. The VLT, together with other telescopes, ...

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