Dr. Stephen Hawking has died at the age of 76 | Engadget Today

The cosmologist redefined our understanding of the universe. Subscribe to Engadget on YouTube: http://engt.co/subscribe Get More Engadget: • Like us on Facebook: http://ift.tt/1k1iCZT • Follow us on Twitter: http://www.twitter.com/engadget • Follow us on Instagram: http://ift.tt/1k1iCZV • Add us on Snapchat: http://ift.tt/1UqS18a • Read more: http://www.engadget.com Engadget is the definitive guide to this connected life.