holy_calamity writes "Intel has been awarded a patent for building cosmic ray detectors into chips, to guard against soft errors where a high energy particle from space changes a value in a circuit. It's a problem that largely only affects RAM. As component sizes shrink futher, "this problem is projected to become a major limiter of computer reliability in the next decade", says the patent. Intel's solution is to build in a detector that responds to cosmic errors by repeating the latest operation, reloading previous instructions, or rolling back to a previous state. You can also read the full patent."
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