I can’t stop thinking, so I'm writing something.

This is about the physics students of Gaza. 1/N For several years I co-organized a physics school in the West Bank of Palestine. We always had many applications to the school from physics students in Gaza, undergrads from the Islamic U. of Gaza and Al-Azhar U.

(Just checked my records — 15 in 2019). 2/N

Here is an explanation of string theory, in the form of a parable about fish and water. 1/N. Imagine a society of intelligent fish, where fish physicists try to learn about the water that surrounds them. (Except of course, in their language, the word for “water” is the same as the word for “space”, as it is all they have known to surround them). 2/N