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Physics

How camels could explain quantum uncertainty

By Eugenie Samuel

25 February 2009

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Not known for their in-depth knowledge of quantum physics, camels may still have a role to play in explaining uncertainty in classical terms

(Image: Stock.xchng/Damo74)

WHAT does a biblical saying about a camel passing through the eye of a needle have to do with quantum uncertainty? Quite a lot, it turns out, since a mathematical concept called the “symplectic camel” promises to explain quantum uncertainty in simple classical terms.

According to Heisenberg, it is impossible to measure both the momentum and position of a quantum particle accurately because those properties are interlinked. Measuring one therefore makes the other more uncertain.…

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