Here’s what you’ll learn when you read this story: Researchers have found a way to mimic lightspeed when photographing an object. The method involves stitching together many thin “slices” of light ...

An image printed on reflectance paper responds to the direction from which it is illuminated. The reflectance paper is covered with dimples that reflect light from different directions. See video ...

In the movie "Predator," an alien uses a cloaking device to hide in plain sight, but the effect is far from perfect: The alien's attempt to conceal itself is thwarted by distortions of light bending ...

Ever wonder how a mirror works? If you want to find the path that light takes when reflecting off a surface, you could use Fermat's Principle. This states something like this: The path that light ...

Inspired by the remarkable vision of cats, researchers have created a new artificial vision system that allows robots to detect and track objects even in challenging environments, breaking new ground ...