Laser-based red-light therapy for myopia may pose retinal risks, as irradiance levels reach ANSI safety limits well before treatment ends.

Invisible light beyond the range of human vision plays a vital role in communication technologies, medical diagnostics, and ...

A green flash is a rare event that occurs around sunrise or sunset, in which green light makes it through the refraction of ...

From vision defects to rainbows and sky colour, here’s a quick-scoring, concept-based summary aligned with the CBSE dual exam ...

An ancient skyscraper considered the seventh wonder of the world crumbled to ruin centuries ago. Now an ambitious ...

Researchers have built a paper-thin chip that converts infrared light into visible light and directs it precisely, all ...

A new metasurface design lets light of different spins bend, focus, and behave independently—while staying sharp across many ...

Researchers at the University of Hong Kong demonstrate negative light refraction with the natural magnetic material CrSBr – ...

Residents of Russia’s St. Petersburg looked up to find four glowing moons in the winter sky. The eerie spectacle wasn’t a ...

Imagine shining a flashlight into a material and watching the light bend backward—or in an entirely unexpected direction—as ...

Regulus — also called Alpha Leonis — is one of the brightest stars in the night sky. The brightest star in the constellation ...

CBSE will conduct class 10 Science exam on February 25. Students scheduled to appear in the upcoming board exam, can follow ...