Roundup #25: Barber sign, Lex Fridman, programming, Europe vs Airconditioning, and some other random interesting stuff

Roundup #25: Barber sign, Lex Fridman, programming, Europe vs Airconditioning, and some other random interesting stuff by Gijs Verheijke

The 25th roundup! It's a milestone post that is nicely all over the place. Check it out!