| − | '''Gravitational waves''' are distortions in space travel at the speed of light away from a mass that moves. Predicted by [[Albert Einstein]]'s [[Theory of Relativity]] in 1916, and at one time the subject of a hoax<ref>http://discovermagazine.com/2014/april/23-20-things-you-didnt-know-about-hoaxes</ref>, gravitational waves have never been observed until 2015, when the first evidence of their existence was confirmed<ref>http://journals.aps.org/prl/pdf/10.1103/PhysRevLett.116.061102</ref>. | + | '''Gravitational waves''' are distortions in space travel at the speed of light away from a mass that moves. Predicted by [[Albert Einstein]]'s [[Theory of Relativity]] in 1916, gravitational waves had never been observed until 2015, when the first evidence of their existence was confirmed<ref>http://journals.aps.org/prl/pdf/10.1103/PhysRevLett.116.061102</ref>. |