Quantum computing is taking on its biggest challenge: noise

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In the past 20 years, hundreds of companies, including giants like Google, Microsoft, and IBM, have staked a claim in the rush to establish quantum computing. Investors have put in well over $5 billion so far. All this effort has just one purpose: creating the world’s next big thing.  Quantum computers use the counterintuitive rules…

https://www.technologyreview.com/2024/01/04/1084783/quantum-computing-noise-google-ibm-microsoft/