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.
In the first of two lectures with the theme ‘Merchants, Money and Megalomania’, Simon Thurley will unearth the lost mercantile buildings of medieval London and show how influential they were.
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.
Migration from the Middle East and North Africa to Europe has reached mass proportions in the last few years. By examining this wider historical context we can begin to discern common features of migrants and refugees in many different situations.