General Relativty

Einstein’s general theory of relativity taught us that the universe is expanding, but we have only recently discovered the pace of that expansion and its consequences. View the video at Business Insider as Robbert Dijkgraaf , Institute Director and Leon...
Confronted with a theoretical question, such as whether or not gravitational waves exist, Richard Feynman never trusted authorities. Rather, he tried to develop and convince himself of a solution in the simplest way possible, constructing an argument from first principles. Once he managed to build...
In this video, Edward Witten , Breakthrough Prize in Fundamental Physics Laureate (2012) and Charles Simonyi Professor in the School of Natural Sciences, discusses string theory and the need in physics to reconcile quantum theory, used for small things like atoms and subatomic particles,...