Discover the science behind seeing your reflection in water. Light travels in straight lines and bounces off smooth surfaces, ...

It’s hopeful that the image of light keeps returning in world history, how it is often contrasted with darkness. Light ...

Sketch of the concept: a disordered medium (top) is made perfectly transmitting by placing a custom-made anti-reflection coating in front of it (bottom). (Courtesy: TU Wien) A new technique that ...

Have you ever sat on the bottom of a swimming pool and pondered your watery ceiling? Most of the surface is a sheet of light blue, and you can't see through it, even though the water is clear. But ...

Fran: I am looking at my reflection. When light from an object is reflected by a surface, it changes direction - it bounces off the surface. So, if we shine this light onto this mirror, then we can ...