On the Shoulders of Giants

Delve into the groundbreaking world of gravitational wave detection in this captivating lecture by renowned physicist Barry Barish at the World Science Festival. Explore the journey from Newton's theory of gravity to Einstein's predictions, and discover the revolutionary LIGO project that led to the first direct observation of gravitational waves. Learn about the challenges faced in detecting these elusive ripples in spacetime, the innovative technology behind LIGO, and the implications of this monumental discovery for our understanding of the universe. Gain insights into the future of gravitational wave research and its potential to unlock new cosmic mysteries. This comprehensive talk covers key topics such as Mercury's orbit, the Einstein Cross, interferometer technology, and the exciting prospects for further gravitational wave detections.

Introduction by Brian Greene
Barry Barish introduction
Newton's Theory of Gravity
Mercury's Orbit
What is the Einstein Cross?
Einstein predicted gravitational waves
How to make a gravitational waves
First interferometer exploration by Robert Forward
How does LIGO work?
LIGO beam pipe
What LIGO measured
Where to look for gravitational waves
Where is LIGO going to go now?