Now reading: Video: Testing general relativity with black holes

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:

Read a full story with Broderick and Johannsen here.


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

The international EHT research team, including Perimeter’s Avery Broderick, has measured for the first time the magnetic fields that contribute to black hole growth.

/Aug 16, 2016