Vacuum Cleaner | The Secret Genius of Modern Life
Hannah takes a look at the vacuum cleaner, going behind the scenes with Dyson and discovering how the motor in their latest vacuum spins nine times faster than that of a Formula One race car.
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Fukushima: Is Nuclear Power Safe? | Horizon
Six months after the explosions at the Fukushima nuclear plant in Japan, Professor Jim Al-Khalili sets out to discover whether nuclear power is safe.
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Science 1 - Physics | GCSE Bitesize Revision
A GCSE Bitesize Physics programme covering electricity, forces and motion, waves, energy resources and energy transfer and radioactivity, all targeted at Grade C.