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Almost exactly 100 years after Albert Einstein published his General Theory of Relativity, the last prediction of his beautiful theory of gravity and space-time has been confirmed observationally. On 14 September 2015 at 4:50:45 AM Eastern standard time, the LIGO experiment detected the passage of \textbf{gravitational waves}. waves} independently at the two locations of the experiment (one in Washington and the other in Louisiana). This amazing discovery has occurred Almost exactly 100 years after Albert Einstein published his General Theory of Relativy, and represents the last verification of this beautiful theory.  And how How  did the waves look like? Glassy and double-overhead!