Meet one of the Nobel Prize winners in Physics
Saul Perlmuttre is one of the three Nobel Prize winners in Physics of 2011. Perlmuttre is an astrophysicist at Lawrence Berkeley Lab, USA. In this video he’s explaining how dark energy, which makes up 70 percent of the universe, is causing our universe to expand. Rahman Amanullah, guest at Crosstalks 28 February, worked with Saul Perlmutter before he won the Nobel Prize.