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.
The Hubble Space Telescope is rapidly approaching its 30th birthday, and we will explore some of the amazing insights it has provided on the beauty of our universe and our place in it.
This talk will explore how simple changes to the circumstances can make dramatic differences to the shapes of the orbits, all of which belong to a special family of shapes known as the conic sections.
Sydney’s botanic garden, founded in the early nineteenth century, was expected to ship new plants 'home' to the Royal Botanic Gardens, Kew, from where they could be transplanted to other colonial gardens, to see if they could become valuable new crops to enrich the British Empire.
This talk will separate science fiction from science fact and elucidate what we know about these mysterious objects, and how they have shaped, and continue to shape, our Universe.
In this talk, Dr Wilkins will discuss the astrophysical origins of the chemical elements, almost all of which have an origin ranging from the big bang, to exploding white dwarfs, the collapse of massive stars, and the merger of ultra-compact objects, neutron stars.
This talk will review the dramatic consequences on what we observe in the night sky that arise purely from the consequences of light-travel time effects.