Atomic-scale defects in crystals can make excellent quantum memories that can be written and read out using lasers, and could form the basis of future quantum communications and computing systems.

Something seems to be missing from the universe, and the favored model of physics calls it “dark matter” – but despite a century of searching, it remains a no-show. A new paper proposes an alternative ...

You probably thought of a clear and flawless gemstone used in jewellery. But to a physicist, a perfect diamond might actually be quite boring. Something magical happens when the diamond is just a ...