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.
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.
This talk will explain how the speed of light was first measured, and how an obscure but brilliant patent clerk in Bern, Switzerland by the name of Albert Einstein deduced that the speed of light is the upper speed limit for everything in the Universe.
This talk looks at mathematical modelling of real, complex fluids in flow situations – some with serious commercial applications, and some just for fun.
To mark the 100th anniversary of his birth, the legacy of Nelson Mandela (1918-2013), first president of democratic South Africa, will be considered - both within his country and in the wider world.