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 ...

A team of researchers from Rensselaer Polytechnic Institute has created the world’s first material that reflects virtually no light. Reporting in the March issue of Nature Photonics, they describe an ...

A teacher's creative classroom experiment explaining reflection and refraction of light has gone viral. Using a laser beam, ...

A teacher named Nidhi Gupta went viral on Instagram for her creative method of teaching the reflection and refraction of ...

Discover the latest articles and news in related subjects. In this article, we report our recent research on broadband ultralow reflectivity black Si surfaces fabricated by laser micro/nanoprocessing.

Light propagation is usually reciprocal, meaning that the trajectory of light travelling in one direction is identical to that of light travelling in the opposite direction. Breaking reciprocity can ...