Understanding diffraction and dispersion is key to optical science, influencing technologies like spectroscopy, fiber optics, and advanced imaging systems.

Lighting has a powerful effect on our circadian rhythms, mood, and overall quality of sleep. As more people become aware of how their environment affects rest, a common question arises: what is the ...

When you shine a flashlight into a glass of water, the beam bends. That simple observation, familiar since ancient times, ...

The early bird gets the worm, as the old saying goes. And now a lot of birds around the globe are starting their days earlier than ever, because of unnaturally bright skies caused by light pollution. ...