Ripples of rumour and ripples in space: LIGO and gravitational waves

For some days now I have been seeing announcements on twitter that the Laser Interferometer Gravitational-Wave Observatory (LIGO) would make an announcement about the detection of gravitational waves today. (The best description of these self-referential announcements can be found on Mark Hannam’s blog!) In 2014 I got a bit excited about an announcement that gravitational …