Does a second feel the same for a fly, a bird, or a swordfish, as it does for me?
Melvyn Bragg and guests discuss Henri Bergson's ideas about our experience of time passing
Brian Cox, physicist and media star, talks fame and quantum mechanics with Jim Al-Khalili.
Chris Llewellyn Smith on quarks, bosons and running the biggest experiments in history.
Josie Long presents short documentaries about our experience of time.
A sound-led dive into deep time and ‘the long now'.
Melvyn Bragg and guests discuss the history of scientific ideas about Heat.
Melvyn Bragg and guests discuss how we know gas molecules move rather than keep still.
Philip Ball explains the thought experiment that niggled at physics for a century.
Muse frontman Matt Bellamy on how James Bond and financial crisis shaped their new album.
Melvyn Bragg and his guests discuss the history and science of nuclear fusion.
Melvyn Bragg examines the 20th century development of nuclear physics as a science.
Josie Long presents documentaries about time and timing.
Melvyn Bragg and guests discuss Wolfgang Pauli and the Pauli Exclusion Principle.
Melvyn Bragg and guests discuss plasma, one of the fundamental states of matter.
Ben Miller joins Brian Cox and Robin Ince to talk physics, comedy and astrology.
Dr Brian Cox looks at Einstein's influence on the study of quantum mechanics.
Melvyn Bragg and guests discuss the discovery of radiation, from radio waves to gamma rays
Discover how small things look set to shape the future in increasingly significant ways.
Celebrating the 100th anniversary of Einstein's Annus Mirabilis. Presented by Brian Cox.
Jim Al-Khalili asks Steve Cowley if we will ever have energy from nuclear fusion.
Peter Evans asks if high-temperature superconductors are delivering what was expected.
Can anything travel faster than the speed of light? Drs Rutherford and Fry investigate.
Melvyn Bragg and guests discuss Isaac Newton’s Laws of Motion.
Melvyn Bragg and his guests discuss the measurement of time.
Melvyn Bragg examines the attempt to reconcile Quantum Theory and classical physics.
Melvyn Bragg examines the Second Law of Thermodynamics from steam to the Big Bang.
Melvyn Bragg and guests discuss the speed of light, lynchpin of Einstein’s universe.
Melvyn Bragg and guests discuss the Vacuum of Space.
Janet Radcliffe Richards examines the results of studies into humans' moral choices.