Gresham College provides outstanding educational talks and videos for the public free of charge. There are over 2,500 videos available on our website. Your support will help us to encourage people's love of learning for many years to come.
View the sky through an x-ray telescope and the conception of the universe changes dramatically. Black holes are best seen in x-rays, because impinging gas collides with the black hole at near light speed, resulting in intense x-ray and gamma ray emission.
Isaac Newton saw his demonstration of the regularity of the universe as having great religious significance. Newton’s ideas were initially seen as very supportive of religion; yet within 50 years, they were being seen in a very different light.
Theories of the multiverse suggest that life-containing universes are incredibly rare. We live in one of these, whether by cosmological natural selection or by the consequences of a theory yet to be formulated.
What did the sky-watchers of the ancient world think about the night sky, and its implications for human existence? Moving on to the great discoveries of Copernicus, Kepler, and Galileo, we will consider the basic science and ask about the deeper significance of these discoveries.
An exploration of a time when there were no stars or galaxies, and the universe was transparent - how were the first indications of the state of the universe in the dark ages discovered?
In the long run, in an Internet society, it is claimed, we will neither need nor want doctors, teachers, accountants, architects, the clergy, consultants, lawyers, and many others, to work as they did in the 20th century. - Is this true?
Professor Silk will explore the origin of this paradigm shift in our cosmic horizon, and discuss the origin of the acceleration as a phenomenon that we call dark energy.
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