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.
Professor Fletcher proposes that it can be understood in terms of the normal functioning of the mind, which seeks to construct a working model of reality even though it has very little direct contact with that reality.
I will argue for the essential unity of speech and gesture in the transmission of thought, and suggest that we have underestimated the considerable communicative significance of these movements.
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.
Catherine Roach uncovers what we learn from the romance story about today’s changing norms for gender and sexuality and about the nature of happiness and love.