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A new technology has been discovered that uses gravitational wave detection to show the after-effects of a black hole collision.  These ripples can now be shaped using this new technology, a large advancement in science, though some things are still unknown, including how many polarizations of the gravitational waves exist. Arts and Sciences Associate Professor Stefan Ballmer talked to The Guardian about this discovery.

““If you look at how you can bend the sheet of paper that spacetime is, there are many ways you can bend it,” he said. “But if you look at [Einstein’s predictions], only two of those ways are present.”