Ray Optics often overwhelms Class 12 students due to formulas and sign conventions. An expert board examiner explains why ...

There is nothing stronger than the human urge to know why.

In this quick science demo, I show how a simple glass of water can make arrows appear to change direction. As I pour water into a curved glass, I explain how refraction bends light and why the glass ...

Sheka is the second area where Orbis, alongside partner organisations, have achieved the WHO elimination threshold for trachoma ...

The phenomenon, known as paraselene or "moon dogs," is an optical illusion caused by moonlight refraction.

Per leaked images, Android 17 blur effects could be here to stay. But how do Android Authority readers feel about it? Survey ...

Omidenepag isopropyl eye drops may increase nearsightedness in patients with glaucoma, leading to myopic shifts of 0.75 D or ...

Eyeglasses do not permanently improve eyesight, but they play a vital role in correcting vision, reducing eye strain and ...

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

Discover how ice crystals and winter skies create sundogs, sun pillars and halos — and when to look up from the Nature Center ...

"Check to see if it's under or over for the month." Solar panel owners offer advice on how to improve rooftop panels' production: 'Check out your performance calculation' first appeared on The Cool ...

At the 2nd International Glaucoma Symposium in Mainz, Germany, on 31 January 2026, optical coherence tomography (OCT) and its role in glaucoma and neuro-ophthalmic disease took centre stage in a ...