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A 'magical' space-time ripple that wasn't believed, at first
A 'magical' space-time ripple that wasn't believed, at first
http://phys.org/news/2016-02-magical...-believed.html "It is seared in my brain," said Shoemaker, a top scientist at the Massachusetts Institute of Technology (MIT) and head of the Advanced LIGO Project, an international effort to uncover evidence of gravitational waves. Such waves are a measure of strain in space, an effect of the motion of large masses that stretches the fabric of space-time—a way of viewing space and time as a single, interweaved continuum. The "chirp," as Shoemaker described the long-awaited wave, had arrived while he was asleep. But since the data analysis works in quasi-real-time, scientists watching the data stream early in the work day in Europe saw it immediately. Two black holes spiraling into each other became a single black hole, and the joining of these two giants curved the fabric of space-time around them, ever so briefly. "When the signal finally got to the Earth on September 14 we knew within three minutes that our instruments had seen something really different," said Shoemaker. -- sci.physics is an unmoderated newsgroup dedicated to the discussion of physics, news from the physics community, and physics-related social issues. |
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