When nearly 30 years ago Dr. Jacob Fraden invented an ear thermometer working on this second principle, the infrared light sensor was so large that he needed a narrow gold-plated reflective tube to channel the light from the ear drum to the sensor.

FORBES: Body temperature.

As Oculus' full-time principle scientist, LaValle will be working on things like sensor fusion, magnetic drift correction, and kinematic modeling.

ENGADGET