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There\u2019s a famous saying that\u2019s attributed to the statistician Henry L Box \u2013 but it\u2019s one of the most important sayings for thinking about physics, and science in general.

\u201cAll models are wrong, but some models are useful.\u201d

What does this mean, and how does it relate to the nucleus of the atom? Can we work out how the atomic energy levels behave... without knowing the first thing about quantum mechanics or the strong nuclear force that binds the atom together?\xa0

Physical Attraction is the podcast about physics, science, and technology. You can find further details about the show at\xa0www.physicspodcast.com\xa0- where you'll find the contact form, for any comments, questions, or concerns you may have. [I'm very good at responding to stuff that isn't spam.]\xa0

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Until next time, take care.\xa0