Now reading: Video: Testing general relativity with black holes
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In celebration of the International Year of Light, Perimeter Institute presents 20 fascinating factoids about photons.

/Jan 28, 2015

Perimeter researchers use measurements from the Event Horizon Telescope to test Einstein’s theory with the supermassive black hole at the centre of the Milky Way.

/Sep 13, 2016

Perimeter researchers are trying to find out how far one can tweak general relativity and still end up with the universe we observe. Their method? Adding “hair” to black holes.

/Mar 17, 2014