Just a month ago came the news of the first direct evidence of primordial gravitational waves — ripples in the fabric of spacetime — providing the first direct evidence the Universe underwent a brief but stupendously accelerated expansion immediately following the Big Bang.
This almost unimaginably fast expansion when the Universe was only a trillionth of a trillionth of a trillionth of a second was first theorized more than three decades ago, and the announcement last month was so monumental that some are comparing it to the discovery of the Higgs boson.
On April 18, 20:00 UTC (3 pm EDT, 1:00 pm PDT, two of the scientists who made this groundbreaking discovery will come together for a conversation with two of the pioneering leaders of the field. Together, they will examine the detection of a distinctive, swirling pattern in the universe’s first light, what the swirl tells us about that monumental growth spurt, and the many implications on the way we understand the universe around us.
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You can watch below:
The hangout will include members of the BICEP2, which made the discovery, as well as two notable scientists in this field, John Carlstrom and Michael Turner.