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originally posted by: grey580
Rumors Are Flying That We Finally Found Gravitational Waves
Might have to give ol Einstein another award or something.
Seems that the Ligo Group at Cal Tech has gone out and posted a rumor online that they may have discovered gravity waves. And it was thanks to their new upgraded equipment.
Like good scientists they are a bit shy about coming out and actually saying they found gravity waves until they can verify their results.
This one is definitely one to watch. Hopefully this one won't be a dud like the few times before.
However I have one main question. What practical applications can be made out of this discovery?
Excited rumors began circulating on Twitter this morning that a major experiment designed to hunt for gravitational waves—ripples in the fabric of spacetime first predicted by Albert Einstein—has observed them directly for the very first time. If confirmed, this would be one of the most significant physics discoveries of the last century.
Move a large mass very suddenly—or have two massive objects suddenly collide, or a supernova explode—and you would create ripples in space-time, much like tossing a stone in a still pond. The more massive the object, the more it will churn the surrounding spacetime, and the stronger the gravitational waves it should produce. Einstein predicted their existence in his general theory of relativity back in 1915, but he thought it would never be possible to test that prediction.
[A] team of independent physicists has sifted through this data, only to find what they describe as strange correlations that shouldn’t be there... The potential effects of the unexplained correlations “could range from a minor modification of the extracted wave form to a total rejection of LIGO’s claimed [gravitational wave] discovery,” wrote Jackson in an email to Quanta. LIGO representatives say there may well be some unexplained correlations, but that they should not affect the team’s conclusions.
On June 13, 2017, Jackson and four co-authors published their criticism on the scientific preprint site arxiv.org. The paper generated considerable interest, prompting Ian Harry, a researcher at the Max Planck Institute for Gravitational Physics in Potsdam-Golm and a member of the LIGO Scientific Collaboration, to publish a public rebuttal five days later. Harry argued, in effect, that the independent team missed some subtleties in their data analysis, and that he couldn’t reproduce the claimed correlations.
“There is no drama here,” Kalogera said. “It’s science as usual. … Healthy, positive communication is very much welcome amongst scientists.”