Alexander de Vries answers Do you believe “E=mc^2” is a correct and/​or useful equation, and, whether yes or no, precisely what are your reasons for holding this belief (with such a degree of confidence)?

[Alexander de Vries]

I believe it because physicists-as-a-whole seem quite sure about it, and I’ve never seen (modern) physicists be wrong about something they’re this sure about, and frankly I know fuck-all about physics beyond what I learned in high school. 98-ish % confidence that it’s as correct as any model of the universe reasonably can be.