A "blood moon" rose over the UK during a partial lunar eclipse on March 14. The eclipse became visible for many across the world as the Moon travelled through the Earth's shadow. This type of eclipse ...

The atmosphere can often play optical tricks on us, like the mirages that can sometimes form over Lake Michigan.

Have you ever gazed up at the night sky and caught your breath at the sight of a glowing ring encircling the moon? It feels .

In Figure the atmospheric differential refraction between a given wavelength and 5500Å is shown as a function of the zenith distance at the summit of Mauna Kea ... By use of this setting, the light ...

At long last, particles of water–ice have been discovered in the frozen Kuiper Belt of another star. The discovery, made by the James Webb Space Telescope, is a major step forward in filling in gaps ...

Negative refraction of light in an atomic medium. Nature Communications, 2025; 16 (1) DOI: 10.1038/s41467-025-56250-w; Cite This Page: MLA; APA; Chicago; Lancaster University.

Negative refraction of light using atoms instead of metamaterials. Lancaster University. Journal Nature Communications DOI 10.1038/s41467-025-56250-w ...

THE proposition that “the course of a nearly horizontal ray of light in the lower part of the atmosphere is a circular arc having a radius of 14,900 geographical miles” has been stated by Mr ...

THE following proposition regarding the effects of refraction may be known, but I do not remember to have seen it stated. It is: “The course of a nearly horizontal ray of light in the lower part ...

Contains refraction light calculator. Contribute to kjfrisby/Refraction development by creating an account on GitHub.