Scientists can learn a lot about a quantum material by watching how it responds to light. In magnetic semiconductors, one especially useful messenger is the exciton: a pairing of a negatively charged ...

Atomic and molecular physics it the study of the properties, dynamics and interactions of the basic (but not fundamental) building blocks of matter. A crucial component of this is understanding the ...

Quantum physics is the study of matter and energy at its most fundamental level. A central tenet of quantum physics is that energy comes in indivisible packets called quanta. Quanta behave very ...

David leads the editorial team at CNET. We create expert reviews, articles and video on every aspect of technology, from AI to Zoox. We are thoroughly, proudly human. Expertise A 25-year CNET veteran, ...

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