A fire at sea is among a sailor’s worst fears. In the era of wooden shops, where candles and oil lamps were the only sources of illumination, the chance of such a catastrophe was an ever-present ...

Refraction is the bending of light when it goes from one medium to another so, when a ray of light passes through a glass prism, refraction of light occurs both, when it enters the prism as well as ...

A 4½-inch-high heavy glass pyramid was in a recent house sale. It was inexpensive, but no one knew what it was used for. It was almost too heavy to lift, so it wouldn’t be a practical paperweight, but ...

Lighting effects and lasers help bring the entertainment industry to life. High quality optical prisms are one of the key components to this. Knight Optical’s prisms are available in a wide range of ...

A team from Northwestern University in Illinois, US, has developed a technique to grow silver prism structures on the scale of 100nm. The process involves nanometre scale silver spheres held within a ...

The Wordle word of the day on December 25 was prism, a word that feels almost unfairly elegant for something so relentlessly honest. A prism exists to intervene between appearance and understanding, ...