A LED light pipe is an optical fiber or a solid transparent plastic rod for transmitting light from an LED mounted on a printed circuit board (PCB) to the user interface. Light pipes transmit up to 80 ...

The vast majority of visual effects you see in games today depend on the clever use of lighting and shadows – without them, games would be dull and lifeless. In this fourth part of our deep look at 3D ...

In a discovery that challenges conventional optics, scientists have managed to make a laser beam cast its own shadow—a feat previously thought impossible, as light typically passes through other light ...