Three American physicists have won the 2017 Nobel prize in physics for the first observations of gravitational waves(引力波). The waves in the fabric of spacetime were anticipated by Albert Einstein a century ago.
Rainer Weiss has been given one half of the 9 million Swedish kronor (825,000 pounds) prize, told by the Royal Swedish Academy of Sciences in Stockholm on Tuesday. Kip Thorne and Barry Barish will share the other half of the prize.
All three scientists have played leading roles in the Laser Interferometer Gravitational Wave Observatory, or Ligo experiment. The experiment made the first historic observation of gravitational waves in 2015. The waves were produced by the violent merger of two black holes a billion light years away.
Prof Olga Botner is a member of the Nobel committee for physics. He described this as “a discovery that shook the world”.
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