Recent experiments that demonstrate the negative refraction of light could bring a heated scientific ... refractive index could exist without violating any of the laws of physics. Veselago predicted ...

The concept of refraction is used to explain mirages. Chemistry & Physics is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones ...

"The colors of the spectrum, then, "are not Qualifications [alterations] of Light … (as 'tis generally believed), but Original and connate properties." When you purchase through links on our ...

Rather than always traveling in a straight line, like you'd expect, light can change directions based on the medium its traveling through.

What is the green flash? It’s often tied to pirate folklore but also commonly occurs in reality – learn what causes the flash ...

Researchers in Korea have created a new metamaterial with the most extreme positive index of refraction yet – a whopping 38.6. The metamaterial operates at terahertz frequencies and the team believes ...

While it may sound like this technology is contradicting some key laws of physics, the team stresses ... “Space-time refraction defies our expectations derived from Fermat’s principle and ...

Light is a nimble gymnast. It travels in many colors and frequencies. Its waves, whether long or short, can shift to be longer or shorter. Light waves change direction. They bounce. What light can ...

The questions in this quiz are suitable for GCSE physics students who are studying reflection of waves and refraction of waves. If you struggled with the quiz, don't panic - we've got you!