Computer scientists have developed something called a memristor, which they say can improve cybersecurity. But it's not a line of code. It's a new format for computer chips that introduces a level of randomness to its design that makes any device using it very difficult to replicate.

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Computer scientists have developed something called a memristor, which they say can improve cybersecurity. But it's not a line of code. It's a new format for computer chips that introduces a level of randomness to its design that makes any device using it very difficult to replicate.