Archive for the ‘Physics’ Category

Random Tidbits

Wednesday, April 6th, 2005

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 a big fat Nazi,” I say. So the waiter says, “I’ll get the manager.”
Patricia Marx, of The New Yorker, impersonating Albert Einstein

There’s just something about the Heisenberg Uncertainty Principle that draws me to any mention of it…

When Grading Curves DON’T Help

Monday, February 28th, 2005

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.