YT: MathsWithDan

Terence Tao, UCLA professor and the most decorated mathematician alive: "Hedge funds hand you $750K a year for a single skill: telling a real pattern from noise. I've spent a lifetime on it, and almost everyone has it flipped." this free lecture is the entire "find the signal" problem those firms are paying for, delivered at UCLA by the most awarded mathematician alive and put online for nothing. at the chalkboard it's plain. Tao's lifelong idea is that almost nothing is purely one thing. there's flawless structure, like a clock, and flawless randomness, like a coin toss, and nearly everything real sits somewhere between the two. the work is pulling them apart. the primes are the cleanest test. they look scattered and lawless, yet Tao and Ben Green proved they hold evenly spaced runs of any length you ask for. order was buried inside the apparent chaos the whole time. that's "signal detection" with the marketing stripped off. he gave this at UCLA and it has stayed free ever since. exactly the point of the article above: the mathematics those firms pay half a million for is public, written down and free to anyone tonight. the lecture costs nothing and anyone can press play. what no one can sell you is the judgment to tell when a pattern is real and when your own eyes invented it. that judgment is the entire job, and it takes years to earn.