Scientists have demonstrated how to manipulate light by using time-varying media in the form of specialized nanomaterials.

NASA considers SANS one of its ‘red risks’ for a Mars mission, owing to its potential severity and the number of astronauts ...

This is called refraction. The frequency of light does not change as it refracts. The refractive index of a material is a measure of the change in the speed of light as it passes from a vacuum (or ...

We can also use wavelengths to calculate refractive index. By substituting \(v_{1}=f\lambda _{1}\) and \(v_{2}=f\lambda _{2}\) into \(n=\frac{v_{1}}{v_{2}}\) then ...

The top layer of liquid is pure water while the bottom layer is concentrated sugar water. In these layers, there is no change in refractive index and no bending of light. In the middle, a gradient ...

Smarter, Faster, and More Efficient Signal Boosting A new optical amplifier is changing the game. Unlike conventional ...