What does refractive index actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Key Concepts Light Refraction Reflection Index of refraction Introduction If you pour water into a clear glass, what color is it? It's clear, right? But what happens if you try to look through it ...

The negative refraction of electrons in graphene has been seen for the first time in experiments done by physicists in the US. The work represents an important advance in the fabrication of graphene ...