Memes on Instagram: "Classic Modern physics rests on two pillars that are both extraordinarily successful—and fundamentally incompatible. Quantum mechanics governs the smallest scales of reality, describing particles as probabilities and interactions as quantized events. General relativity, on the other hand, explains gravity as the smooth curvature of spacetime itself, excelling at cosmic scales. Each theory is correct within its domain, yet when forced to coexist, they mathematically collapse.

Jonny Thomson on Instagram: "The paradox of Santa’s list is a philosophical problem to do with moral motivation. It goes like this. Imagine there are three children playing in the playground. There’s Abby, Bobby, and Charlie. Suddenly, Bobby falls over and hurts himself. Charlie, who is a kind boy, rushes over to help Bobby. But Abby pauses a bit, and she thinks to herself, ’Well, next week is Christmas, and Santa is watching. So if I want to get onto his good list, I better help Bobby.’ And so,