It looks like what was only a rumour last month is turning into something a little more concrete today. Scientists at LIGO will make an announcement at around 3 PM today and it's expected they'll say that gravitational waves have been discovered (LIGO = Laser Interferometer Gravitational-wave Observatory). If true this discovery is on a par with the Higgs particle discovered recently at the LHC and nails the last of the predictions of general relativity theory made by Einstein around 100 years ago; such exciting times we live in!
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