"The Poincaré recurrence time is extremely long, something like exp(10120) billion years…After this superlong time, approximately, events start to repeat themselves. At least in some sense, it is fair to say that the time is literally periodic" https://t.co/HtiWH6G26j
— Maurizio Morabito (@omnologos) October 2, 2020
from Twitter https://twitter.com/omnologos