For the Love of Learning since 1597

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. 

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    In the Beginning

    Where did we come from? This question has always intrigued human thought. Professor Silk will describe the modern scientist's view of the origin of the cosmos.

    Dark Matters

    The dark side of the universe is pervasive. Most of the matter in the universe is dark, most of the energy in the universe is dark.

    Existential Risks in the Solar System

    Asteroid impact could devastate the Earth, although preventive measures might detect and monitor orbits of potential killer asteroids. Longer term, the sun will evolve into a red giant and expand to a hundred times the orbit of the earth.

    Are We Lost In The Cosmos?

    What are the implications of the Big Bang for our understanding of ourselves? Is the universe meaningless? or is there some way of developing a ‘big picture’ of reality that helps us decide our place and purpose in the universe.

    Elementary Particles and Their Interactions

    Matter consists of a mêlée of elementary particles. There are protons and neutrons, made up of quarks, and many other short-lived massive particles. One hope is to discover particles of dark matter, but this has so far eluded our best efforts.

    The High Energy Universe

    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.

    How Special Is Our Universe?

    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.

    Watching the Heavens: Astronomy and the Meaning of Life

    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.

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