Video: Testing general relativity with black holes

Avery Broderick and Tim Johannsen of Perimeter Institute and the University of Waterloo explain a new method for testing the theory of general relativity using the Event Horizon Telescope. Read the research, published in August 2016 in Physical Review Letters, here: http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.117.091101

Read a full story with Broderick and Johannsen here.