Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 32 - Think and Discuss: 54


The philosopher was speaking of classical physics. In the realm of classical physics, the exact same physical conditions produce the same results. Feynman was speaking of quantum physics. Two identically prepared systems can result in very different outcomes, because quantum physics is governed by probabilities.

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This is discussed on page 610.
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