The backstory of Chicago’s century-old symbol — a “Y” inside a circle — that can be found dotted throughout the city.

Unity stock has tumbled twice recently, first after Google's Project Genie Reveal, and then after a disappointing earnings report. Project Genie is impressive, but it won't replace video game engines.

Reliable control over photon number is essential for scalable quantum photonics, yet producing well-defined two-photon emission from quantum emitters remains challenging. Now, by exploiting a ...