"February saw one of the most important astronomical breakthroughs of the decade, as a team of scientists “heard” gravitational waves -- a key postulate of Einstein’s theory of relativity -- for the first time in human history. Now, astrophysicist Janna Levin recounts that incredible discovery, and the human drama behind it, in her new book “Black Hole Blues.” Levin joins Jeffrey Brown for more."

http://www.pbs.org/newshour/bb/listening-in-on-the-black-hole-blues-the-soundtrack-of-the-universe/



Edited 1 time(s). Last edit at 05/17/2016 01:18AM by Amyjo.