There are experiments currently underway to detect gravitational waves, see for example http://en.wikipedia.org/wiki/Gravitational_wave_detector#Specific_gravit

There are experiments currently underway to detect gravitational waves, see for example http://en.wikipedia.org/wiki/Gravitational_wave_detector#Specific_gravitational_wave_detectors http://en.wikipedia.org/wiki/Gravitational_wave_detector#Spe...