5 Facts about Gravity Waves from the Big Bang - The Countdown #44

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On March 17th, physicists with the BICEP2 experiment announced they had detected the remnant of gravity waves in the cosmic microwave background, the light left over from the big bang. While still needing confirmation, the discovery lends weight to the idea that the early universe underwent rapid expansion.

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More to explore:

BICEP2 page
http://www.cfa.harvard.edu/CMB/bicep2/science.html

Simple Gravitational Waves
http://www.einstein-online.info/spotlights/gw_waves

All You Need to Know about Gravitational Waves
http://www.scientificamerican.com/article/all-you-need-to-know-about-gravitational-waves/

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Credits:
Host/writer: Sophie Bushwick
Production Assistant: Geoffrey Giller
Editor: Kathryn Free
Producer: Eric R. Olson