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The Quantum Leaps team

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Quantum Leaps captured those moments when science took a massive step forward...

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Transistors and thermionic valvesBBC

By The Quantum Leaps team (The Open University)

03 August 1999

Without the valve and the transistor there would be no radio, no television and no computers. How did these vital inventions come about?  Read more : Transistors and thermionic valves

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Quantum Leaps captured those moments when science took a massive step forward...

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