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Inventions That Changed The World: GPS

In 1977 or thereabouts a collection of scientists huddled around a secret radio receiver in the US desert. This was the start of GPS, Glonass, Gallileo and the whole navigation industry. But how does this technology work? And are there situations when it does not work?

Early Universe

This lecture will examine the evidence for and the significance of events that unfolded in the first few seconds after the Hot Big Bang.

Mars Missions 2021: Early Discoveries

Three new missions arrived at Mars in 2021. This lecture looks at new results from the UAE’s Hope mission, China’s Tianwen-1 and NASA’s Perseverence.

Cyborg Piano: Magnetic Resonator Piano

The Magnetic Resonator Piano invented by Andrew McPherson sees electromagnets suspended above the strings of a regular grand piano, allowing for control of minute details of shimmering resonance.

Caroline Herschel: Discoverer of Comets

In this talk Dr Sheila Kanani combines the story of a pioneering woman astronomer, with an account of the science behind comets, asteroids and meteors.

Cosmic Vision: Space-Quakes

When black holes merge, the world shakes. Such quakes in space-time are now detectable and indeed the detection of such gravitational waves from cosmic coalescences comprises an entirely new type of astronomy that is completely independent of light itself.

Space Sounds: The Music of the Cosmos

Space today is terrifyingly silent. But it wasn’t always thus: the early universe was filled with a hot plasma in which sound waves could travel. The cosmos was quivering with the aftershocks of the Big Bang.

BBC Radio in the Digital Era (1982–)

On 17 August 1982, the first commercial CD was released. Digital recording and editing have changed the face of music by making recordings easy to originate and share. But has this affected musical quality, and what are the financial and artistic consequences?

Computers: A History

Even the most humdrum of electrical devices nowadays contains at least one computer; yet surprisingly few people are aware of their history, their form or function. In this talk we will see that not only is the history of computers rich and diverse, their architecture likewise.

Cosmic Vision: Fast & Furious

Highly energetic particles from outer space travelling at the speed of light, known as cosmic rays, originate from the sites of extreme particle acceleration in the Universe.

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