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and the one that was made up by Bloch and Erich Hückel,
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whom we'll talk about next semester, was about Ψ.
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"Gar Manches rechnet Erwin schon, Mit seiner Wellenfuction.
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Nur wissen m?Cht man gerne wohl,
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Was man sich dabei vorstell'n soll."
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Which means: "Erwin with his Psi can do calculations, quite a few.
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We only wish that we could glean
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an inkling of what Psi could mean." Right?
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You can do calculations with it, but what is it? --
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was the question. Okay?
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And it wasn't just these young guys who were confused.
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Even SchroDinger was never comfortable with what Ψ really means.