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

For the first time, scientists have demonstrated that negative refraction can be achieved using atomic arrays - without the need for artificially manufactured metamaterials. Scientists have long ...

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

Astronaut captures stunning lunar video that looks like a mirage in space from the International Space Station.

Horiba has developed a particle size distribution measuring device that accurately measures particle size distribution even in the presence of similar-shaped particles. The device uses image ...