What is NVIDIA ray tracing and DLSS?

[Windows Central]

Best answer: Ray tracing and Deep Learning Super Sampling (DLSS) are new technologies NVIDIA added to its latest GPUs to improve the visual fidelity of supported games. The RTX 2060 is a great GPU that takes advantage of these new features.
Amazon: ZOTAC RTX 2060 ($350)

Full story from the WindowsCentral blog...