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Rotating black holes could leave a twisty signature on light escaping their gravitational maws. If this screwy light can be detected from Earth, it would give astronomers a new way to detect exotic black holes and a new test of Einstein’s theory of general relativity, says a team of physicists. “For relativity, it’s very important,” said physicist Martin Bojowald at Penn State University, who was not involved in the new work. “There are very few classic tests of relativity. It now seems that we are pretty close to actually using this.”
Black holes are greedy beasts. Not only do they attract matter so strongly that even light can get trapped in their great gravitational bellies, they also grab hold of the fabric of space-time in their vicinity. When a black hole spins — and astronomers expect that most do, although none have been definitively observed — it swirls its surrounding space-time around with it like water spiraling around a drain. This phenomenon, called frame-dragging, has been proven to work even around bodies as small as Earth. Observations of two Earth-orbiting satellites over the last few decades show that the satellites drag by several feet per year as Earth’s spin tows the fabric of space and time in circles.
Getting precise measurements of the spins of lots of black holes could help figure out how black holes form in the first place. The twisted-light signature could also help detect the faint glow black holes may emit as they evaporate, called Hawking radiation, which was predicted in 1974 but has yet to be observed in space. But Thidé is most excited about the possibility of knocking over Einstein. His computer experiments were based on the predictions of Einstein’s theory of general relativity, which describes how gravity warps time and space. Since Einstein’s 1915 paper describing the theory, only about five real-world tests have been completed.
The fate of Einstein's theory will ultimately be similar to the fate of Newton's theory, in that we still use Newton's theory for non-relativistic approximations and it still does a pretty good job at that. But just as Einstein's theory is a more complete picture than Newton's, I expect the theory that follows Einstein's will be another case of a more complete theory which doesn't prove the old theory completely wrong.
Originally posted by anon72
So, any ATS Einstein fans out there that think they are full of it? Or on the verge of proving it incorrect etc?
Originally posted by mnemeth1
reply to post by anon72
They will find light warping due to plasma focusing effects, but I highly doubt it's going to look anything like his simulation picture.
It will be nice to see yet another failure of Einstein's retarded theories besides:
-Gravity Probe B fail
-Dark Flows detected
-Lack of Quasar time dilation
-Quantized quasar red shift
-etc.. etc.. etc.. etc..
I'm not sure how many times his stupid theories have to fail before scientists will finally throw in the towel.
Hopefully its soon considering the amount of my tax dollars they are squandering on it.
Originally posted by mnemeth1
reply to post by hippomchippo
No, the fact I'm a human being gives me the right to call Einstein's theories retarded.
The fact that I have a laundry list of failures simply proves me correct.