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Big Bang Day Simon Singh Five Particles BBC Radio Documentary cheops

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Big Bang Day - Simon Singh - Five Particles - BBC Radio Documentary - cheops

Simon Singh looks at the stories behind the discovery of 5 of the universe's most significant subatomic particles: the Electron, the Quark, the Anti-particle, the Neutrino and the "next particle".

Five episodes of approximately 15 minutes each.

Episode 1: The Electron
British physicist JJ Thompson's experiments with electric currents showed that atoms are divisible into elementary particles. But how has the power of electrons been harnessed for everyday use?

Episode 2: The Quark
Quarks comprise virtually all visible material in the universe, but why do we know so little about them? They have never been seen as free particles, but recent theoretical advances are finally beginning to reveal their properties.

Episode 3: The Antiparticle
Every elementary particle has an antiparticle. Should the two meet and combine, the result is annihilation. So where are all the antiparticles? At CERN, the European research centre in Geneva, physicists are crashing together subatomic particles at incredibly high speeds, hoping to create anti-matter and find the answer.

Episode 4: The Neutrino
The neutrino is the most common particle in the universe. Millions of these virtually undetectable subatomic particles are continuously passing through each of us. However, they can betray their presence by bumping into things at high energy. Detectors hidden in mines are exploiting this to observe these rare interactions.

Episode 5: The Next Particle
A symmetric partner to all the known particles could be the answer to uniting them and their interactions under one grand theoretical pattern of activity. But how do researchers know where to look for such phenomena and how do they know if they find them?

Produced by Adrian Washbourne.

First broadcast from Monday 8th - Friday 12th September 2008 on BBC Radio 4.
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Type : mpeg 1 layer III
Bitrate : 128
Mode : joint stereo
Frequency : 48000 Hz
Encoder : Lame 3.98
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