David Reilly and his University of Sidney team developed a silicon chip that can control spin qubits at milli-kelvin temperatures. That’s just slightly above absolute zero (-273.15 degrees Celsius), the temperature at which – theoretically – matter ceases moving. Experts think that spin qubits (where information is encoded onto the magnetic direction of single electrons) ...

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Link :
https://www.nextbigfuture.com/2025/06/control-of-spin-qubits-at-near-absolute-zero-could-enable-million-qubit-quantum-computers.html