Exam #2 of 2: Information Theory.

Short posts from Andrew Jaffe
Exam #2 of 2: Information Theory.

Invigilating my first of two exams today: Astrophysics. Good luck to the students!
(For North American readers: “invigilate” = “proctor”.)

Yet more on our work on the topology of the Universe: The universe may have a complex geometry — like a doughnut.
On our recent Compact Collaboration PhysRevLett: Anticipating future discoveries: Scientists explore nontrivial cosmic topology
Former Imperial College Astrophysics PhD student Alfredo Carpineti quoted about last night’s spectacular aurora in this morning’s (New York) Times