(M)any materials experience "fatigue", where, because of cyclic loading, they'll begin to deform or even fail well below their theoretical yield strength
"If you're pre-born, you're fine; if you're preschool, you're fucked" – George Carlin, on a form of hypocrisy that's particularly relevant this week (M)
Small particles in a gas or liquid constantly (m)ove around randomly. Work on this "Brownian motion" led to the acceptance of atoms as physical reality
![[39] It felt good getting back in the gym after a week off. Not bad for almost 40, wouldn’t you say?](https://allpornimages.com/gallery/39-it-felt-good-getting-back-in-the-gym-after-a-vFV4Qb7EFW/39-it-felt-good-getting-back-in-the-gym-after-a-thumb.webp)