USA scientists share physics Nobel for gravity waves

USA scientists share physics Nobel for gravity waves

USA scientists share physics Nobel for gravity waves

Two Jewish scientists awarded the Nobel prize on Tuesday for opening up a new era of astronomy by detecting gravitational waves said they hoped the attention would make Americans less inclined to dismiss scientific consensus in favor of politics.

The Laser Interferometer Gravitational-Wave Observatory (LIGO) Scientific Collaboration has detected gravitational waves four times - first, on September 14, 2015, and most recently, on August 14, 2017.

If gravitational waves are at play, the laser light will have travelled a slightly different distance and that variation is detected. The waves detected by the laureates came from the collision of two black holes about 1.3 billion light-years away.

"The signal was extremely weak when it reached Earth, but is already promising a revolution in astrophysics".

Announcing the winners in Stockholm on Tuesday, the Nobel committee described Ligo as the "most sensitive instrument ever devised by man".

Barish and Kip S. Thorne worked on the collaboration between the Laser Interferometer Gravitational-Wave Observatory (LIGO), a collaborative project with over 1,000 researchers from more than 20 countries, and its European sister facility Virgo.

Nobel prize in physics was established by the will of Swedish scientist Alfred Nobel and awarded since 1901.

The global LIGO Science Collaboration (LSC) consisting of about 1,000 scientists from universities and research institutes from about 15 countries, including from India, announced the first detection on February 5, 2016 and second one on June 15, 2016.

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Scottish scientists are celebrating their contribution to the breakthrough that won the 2017 Nobel Prize in physics. The other half will be split by Barish and Thorne, both working at the California Institute of Technology.

"I can't imagine that now that we have another way to look at the universe that there isn't going to be some enormous surprises".

Japan has built a similar gravitational wave detector called Kagra in Gifu Prefecture.

The three are Rainer Weiss of the Massachusetts Institute of Technology and Barry Barish and Kip Thorne of the California Institute of Technology. LSU faculty, students and scholars have had leading roles in the development of several generations of gravitational wave detectors, in their commissioning and operation as well as the collaborations formed.

Unlike other types of waves that go through the universe such as electromagnetic waves, gravitational waves go through matter - stars, planets, us - untouched.

The Laser Interferometer Gravitational-wave Observatory (LIGO) Livingston observatory is located on LSU property and is just 25 miles from the university's main campus. The Nobel Assembly has awarded the 2017 Nobel Prize in Physics jointly to Weiss, Thorne and Barish.

All three are now part of an exclusive club containing 204 previous winners of the Physics Nobel Prize. "And all of a sudden, we discovered that the universe was much vaster than we used to think about", Goobar said.

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