https://www.techradar.com/news/nvidia-announces-the-turing-architecture-and-its-first-ray-tracing-gpu

Nvidia’s long-rumored Turing GPU architecture for next-generation graphics cards is finally official, and it’s more than we could have hoped for.

Turing incorporates a number of new features and technologies, chief among them are new RT Cores that power real-time ray tracing. These specialized cores essentially compute how light and sound travel in a 3D environment at a rate of up to 10 GigaRays.