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{ Category Archives } Physics

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The other day, I’m at the deli and I say, “Waiter, there’s a subatomic particle in my borscht! It’s enormous! Look at it go!” So the waiter says, “I’m sorry, sir, but you know what Heisenberg says about the limitation of measuring two properties of a quantum object with infinite precision.” “But Werner Heisenberg was [...]

When Grading Curves DON’T Help

Curves get a little scary when the score distribution [WARNING: PDF] on a midterm fits an exponential curve. I still can’t believe 23 people (16% of the class) got a perfect score on the test.