LIGO Laser Interferometer Grav Wave Observatory
<p>Nov 20, 2013 10:00 PM paper from 2009 in Arxiv.org</p>
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THE paper on the LIGO Obs... long pdf... exclt intro on grav waves.
hundreds of authors!</p>
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But... operated until 2010: NO detections! awaiting LISA (space ligo).</p>