The Parkes radio telescope in Australia has been monitoring 20 pulsars once every two weeks since 2004 and has yet to see any gravitational waves, Einsteinian or otherwise.

• 2004年以来，澳洲的派克无线电望远镜，每两周便监测20个脉冲星一次，但至今却尚未见到任何爱因斯坦理论的或其他类型的重力波。