Quantum calculations reveal how spin defects lose energy

When light hits a tiny defect embedded in a solid material like diamond or silicon carbide, it can kick the defect's electrons into an excited state. These spin defects have the potential to be used as stable, readable qubits ...

Quantum sensor could measure how Earth drags spacetime

Einstein's theory of general relativity describes gravity as the bending of spacetime, a mathematical model that combines three-dimensional space and time into a single, four-dimensional continuum. The theory also predicts ...

IBM executive warns of risk of quantum computing hacks

Organizations are unprepared for the risks posed by quantum computing, IBM's Europe and Africa vice president Alessandro Curioni told AFP Wednesday, referring to the high-speed technology that could crack security encryptions ...

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