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demoninatutu
(2314 days ago)
Well done BC, brilliant explanation.
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You can comment as a guest, but registering gives you added benefits
Guest:
demoninatutu
(2314 days ago)
Well done BC, brilliant explanation.
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Brian Cox demonstrates why atoms are empty
(6:27) Why are atoms empty? Particle physicist Brian Cox gives a science lesson to celebrities with some helping wrist-action from comedian Simon Pegg and physicist Jim Al-Khalili.