- Microsoft says its new Majorana 2 qubits last about 20 seconds (vs milliseconds before) — roughly a 1,000× reliability jump.
- The firm predicts a commercially useful quantum computer by 2029, but the current chip has just 12 qubits and a practical machine would need millions.
- If true, the tech could help tackle big problems faster (think removing microplastics or designing better fertilisers) by combining humans, AI and quantum power.
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