Sunday, 22 October, 2017

Scientist Who Fled Nazis Among Nobel Prize In Physics Winners

Nobel Prize Nobel Prize
Heather Davidson | 04 October, 2017, 00:30

This year's prize for physics is split: Rainer Weiss, a professor of physics at the Massachusetts Institute of Technology is awarded one half of the SKr9 million award (£825,000), and Professors Kip Thorne and Barry Barish, both from the California Institute of Technology, take the other half of the prize. Theoretical physicist Professor Thorne, from the California Institute of Technology (Caltech), and Professor Barish, a former Caltech particle physicist, also now retired, shared the rest of the prize.

In the 1960s, Thorne, a black hole expert at the California Institute of Technology who is now 77, came to believe that collisions between the invisible monsters he studied should be detectable as gravitational waves. LIGO has since detected three additional black hole mergers - and more announcements may come soon.

These waves stretch in one dimension - like left and right - while compressing in another, such as up and down. He also identified the main sources of extraneous noise, and explained how to deal with them in an unpublished report in 1972 that became the basis for LIGO. Multi-messenger astronomy holds the answers to untold astronomical questions, including how the universe was formed.

A team from STFC's Rutherford Appleton Laboratory were responsible for the design, technological development and production of the mirror suspensions that provide the stability required to separate out the effects of tiny strains in space time from the much larger effects of seismic vibration. This experiment is essentially a part of the astrophysical implications of Einstein's general theory of relativity.

The two objects eventually collided to produce a new spinning black hole about 53 times the mass of our sun.

Gravitational waves were first proposed by Einstein more than a century ago but had never been directly seen.

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It's also not the first time I've been in a situation like this and probably it will not be the last time. Verstappen's Australian team mate Daniel Ricciardo , last year's victor at Sepang , finished third.

Will said that in the merger of the two black holes that triggered the prize-winning detection, the event gave off more energy in the last two-tenths of a second than all the stars in the visible universe combined emitted during the same period. However, gravitational waves are direct testimony to disruptions in spacetime itself.

The first gravitational wave detected was in the form of an audible chirp that some call the music of the cosmos. It's not every day that we manage to open a new window into the universe, but this is exactly what their research has done. "There are a huge amount of things.in the universe that radiate gravitational waves".

Weiss says it's unusual to receive money for something you love doing. One set was built at Hanford, and the other at Livingston, La., to ensure a double-check on any results.

The European Space Agency is planning a multibillion-dollar probe to be launched in about 17 years that would look for gravitational waves from space.

"LIGO wouldn't have happened without his leadership", says Stanley Whitcomb, a physicist at Caltech and an original member of LIGO. "There has to be surprises".

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