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The physics world was rocked by a discovery that may shed light on the wild birth of our universe. Using the BICEP2 telescope at the South Pole, scientists have found what they believe to be the signature of gravitational waves propagating from the rapid expansion of the universe in the first tiniest fractions of seconds after the Big Bang. Watch the full program here: https://youtu.be/aUW7patpm9s Original Program date: June 1, 2013 Subscribe to our YouTube Channel for all the latest from WSF. Visit our Website: http://www.worldsciencefestival.com/ Like us on Facebook: https://www.facebook.com/worldscience... Follow us on twitter: https://twitter.com/WorldSciFest