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Explore Secrets of the Universe, a new giant-screen documentary produced in association with Perimeter!

Tag: Tim Johannsen
Avery Broderick and Tim Johannsen of Perimeter Institute and the University of Waterloo explain a new method for testing the…
/Sep 13, 2016
Einstein’s theory of general relativity may soon be put to the ultimate test through measurements of a black hole’s shadow,…
/Mar 18, 2016
Perimeter researchers are trying to find out how far one can tweak general relativity and still end up with the…
/Mar 17, 2014