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Tomonaga Shin’ichirō

Perpetual motion

Perpetual motion machines appear to move for ever with no external energy source

The drinking bird toy appears to require no external energy source

The terms in bold link to topics in the AQA, Edexcel, OCR, WJEC and CCEA A-level specifications, as well as the IB, Pre-U and SQA exam specifications.

Explaining an apparent perpetual motion machine involves ideas about energy stores and energy conservation, and the ideal gas law.

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Clues

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Tomonaga Shin’ichirō

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