DeepMind's Andrew Trask on why cryptography keeps beating AI: "Cryptography and machine learning are kind of opposites. They're a yin and yang. Machine learning is like, no matter how noisy the signal is, I'm going to recover the structure and figure it out. And cryptography is like, no matter how big the structure is, I'm gonna hide it in this noisy thing that provably you can't find unless you have the key." "So they're arch nemeses of each other, locked in an epic battle to figure out who…