From the depths of space, high-energy particles rain silently upon our most critical machines, threatening to corrupt the invisible logic that guides aircraft, medical implants, and satellites with a single flipped bit. For generations, engineers answered this threat with redundancy — the blunt wisdom of repetition — but a team of researchers has now turned to a subtler teacher: the adaptive intelligence of biological neural networks. By training perceptrons to perform logic operations that remain correct even under corruption, they have achieved fault tolerance that is not merely reliable, bu