Why Every Engineer Needs to Know about Ray Tracing?

Design News says:

If you're an engineer or developer working with VR/AR/XR, product design, simulation—or if you use CAD in any form—you should add ray tracing to your vocabulary, if it isn't already there. With its new chip architecture,  Nvidia is promising to bring the sort of high-quality graphics previously reserved for the highest-end video games and big-budget Hollywood movies into the engineering workflow and product design applications. 

#-Link-Snipped-#