@PhysInHistory On the first day of my quantum field theory course, the instructor, Ernest Abers, said, "There's a Hamiltonian of the world." Slight pause, then: "It has many terms."
He didn't bother to write it on the chalkboard.
@EricLDaugh The Resolute Desk has a dial on it for controlling the price of oil. Why doesn't he just turn that dial? After all, that's what he accused Biden of failing to do.
@mcucolo57 First, here are the number of votes Biden and Trump received in 2020:
https://t.co/XzrKESz37N
Second, here are the number of registered voters in 2020: 168,300,000. Your number, 133,000,000, lies below the 90% confidence interval.
https://t.co/pgDbONHthV
@predict_addict When I was little, I memorized the multiplication tables, but I also experimented, like this example: for 3ร2, I calculated 3 + 3 and also 2 + 2 + 2.
I think I got a pretty good feel for how multiplication relates to repeated addition. That's for integers, anyway.
@WoxYm8218@SpaceX Read the post again. They want to get clear images of the heat shield tiles during ascent, otherwise the weather would have been good enough for launching today.