... A Step Toward Gravitational Wave Detection . ... Credit Copyright: LIGO, Caltech , NSF Explanation: Accelerate a charge and you'll get electromagnetic radiation : light. ... Light is seen all the time, but, so far, a confirmed direct detection of gravitational radiation has yet to be made . ... Publications with words: gravitational radiation - LIGO . ... Two Black Holes Merge . LIGO Detects Gravitational Waves from Merging Black Holes . Advanced LIGO: Gravitational Wave Detectors Upgraded . ...