Nvidia is livestreaming CEO Jensen Huang's keynote speech today at 4 p.m. PT from the SIGGRAPH stage in Vancouver, Canada. Here is a little slideshow that I made from the Nvidia SIGGRAPH 2018 livestream. Hope you like it! "The Speed of Light" Porsche 911 Speedster Concept demo running in Unreal Engine. Porsche, NVIDIA and Epic Games reveal "The Speed of Light," created with Unreal Engine 4 using real-time ray tracing and NVIDIA RTX technology at SIGGRAPH 2018.