This is part of a series of blogs on Embree, a collection of high performance ray tracing kernels. Embree has been released open source since version 1.0.
Within the last five years, the field of Natural User Interfaces (NUIs) has been revolutionized by the influx of new devices onto the market. These devices allow users to interact directly with a user interface using gestures or speech, for example. This article looks at the extent to which this type of control is both intuitive and comfortable.