
02-12-2016, 02:01 PM
|
 |
Santa Anita
|
|
Join Date: Jun 2007
Location: Southeastern PA
Posts: 3,044
|
|
Quote:
Originally Posted by Danzig
http://www.cnn.com/2016/02/11/us/gra...eat/index.html
Einstein was right.
Just over 100 years after he published his general theory of relativity, scientists have found what Albert Einstein predicted as part of the theory: gravitational waves.
"We have detected gravitational waves. We did it," said David Reitze, executive director of LIGO, the Laser Interferometer Gravitational-Wave Observatory, which was created to do just what Reitze announced.
awesome stuff!!!
However, the waves are so small that it takes a detector like LIGO, capable of measuring distortions one-thousandth the size of a proton, to observe them. They were observed on September 14, 2015.
Scientists heard the sound of the black holes colliding as a "chirp" lasting one-fifth of a second. Though gravitational waves aren't sound waves, the increase in frequency the collision exhibited in its last milliseconds -- when the black holes were mere kilometers apart and growing closer -- is a frequency we can hear, said Deirdre Shoemaker, a Georgia Tech physicist who works on LIGO.
newton would be thrilled if he knew....
|
This was really cool. Einstein was beyond brilliant.
|