A research team in China has built a quantum dot device that produces photon pairs with record-setting purity, achieving a two-photon fraction of 0.983(1). The work, published in Nature Materials, ...

Rydberg atoms are atoms with one or more outer electrons excited to very high energy levels, which interact very strongly with each other. These atoms are widely used to run quantum simulations and ...

There are few prints as timeless, and as playful as the polka dot. From Marilyn Monroe’s swing dresses to Minnie Mouse’s iconic bows, the dotted pattern has long symbolized whimsy, femininity, and ...