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As Black Holes Collide, Scientists Detect Gravitational Waves

Scientists have seen gravitational ripples from two black holes colliding. The discovery is the culmination of decades of work. Albert Einstein first predicted such ripples should exist a century ago.

Copyright 2016 NPR

Geoff Brumfiel works as a senior editor and correspondent on NPR's science desk. His editing duties include science and space, while his reporting focuses on the intersection of science and national security.