When the moon is completely enveloped by the Earth's shadow, yet glows with a mysterious dark red light—this astronomical ...

Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...

Monochrome rainbows are simply rainbows that occur in the same manner outlined above, but when the light refracted by the water droplets is predominantly red from a rising or setting sun.

How diamonds reflect and refract light impacts how they appear at different angles. Refraction occurs when light changes ...