Gravitational-wave astronomy - Professor John D Barrow FRS - Gresham College Lectures

Einstein predicted that gravitational waves exist. What are they, how are they produced, and what is the evidence for their existence? We looked at ways in which colliding black holes and other violent events in the universe produce gravitational waves which eventually reach the Earth. Huge new detectors have been built on different continents to detect these signals. What they might tell us about the first moments of the universe, cosmic 'strings' and the highest energy events. All our lectures are available for free download from the Gresham College website, in video, audio or text formats: Gresham College professors and guest speakers have been giving free public lectures in central London since 1597. This tradition continues today and you can attend any of our lectures, or watch or listen to them on our website. Website: Twitter: Facebook:

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