Quantum computers are like kaleidoscopes − why unusual metaphors help illustrate science and technology

By Sorin Adam Matei, Associate Dean for Research, Purdue University

Quantum computing is like Forrest Gump’s box of chocolates: You never know what you’re gonna get. Quantum phenomena – the behavior of matter and energy at the atomic and subatomic levels – are not definite, one thing or another. They are opaque clouds of possibility or, more precisely, probabilities. When someone observes a quantum system, it loses its quantum-ness and “collapses” into a definite state.

Quantum phenomena are mysterious and often counterintuitive.…

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