One of the most incredible physics discoveries of the century has revealed a "cosmic fingerprint" explaining the beginning of universe and gravity's microscopic secrets.

For more, check out "The Nature of Reality," NOVA's physics blog: http://www.pbs.org/wgbh/nova/blogs/physics/

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CREDITS

Produced, animated, and edited by Greg Kestin

Editorial help from Anna Rothschild and Kate Becker

Written and researched by Greg Kestin

A special thanks to: Colin Bischoff Andrew Friedman Anna Ijjas

Original Footage © WGBH Educational Foundation 2014

MEDIA RIGHTS

Music: Frost Waltz by Kevin MacLeod (incompetech.com) CC By 3.0

Images: Bicep2: Courtesy of National Science Foundation Big Bang & Galaxies: Courtesy of NASA