Tiny magnetic waves could unlock quantum computers the size of a penny

According to ScienceDaily, researchers have made a major breakthrough in quantum computing—using tiny magnetic waves called magnons to carry quantum information. The team extended the magnons' lifetime by nearly a hundred times, reaching up to eighteen microseconds. What's promising here is that the main limitation isn't a law of physics—it's the purity of the material itself. That means the next improvements might come from better manufacturing techniques rather than fundamental new discoveries.

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