Take a few moments and watch this 3 axis rotating LED light display fire up. The final effect of being an RGB glowing ball is nice, but we’re fascinated with the structure. There are tons of ...

The researchers, led by the University of Cambridge and the ... The semiconductor they developed emits circularly polarized light—meaning the light carries information about the 'handedness ...

A real lighthouse has a spinning lens to aim the beam of light. When the lens sweeps across your viewpoint there is a sudden flash and he’s recreated that effect using PWM. Take a look at the ...