He found that if a beam of white light is passed through glass prism then it will split in to seven colours. These colours are red, orange, yellow, green, blue, indigo and violet (VIBGYOR).

This glass prism with a slightly green tint is 4½ inches high and very heavy. It was used like a window on vintage sailing ships to get light below the main deck. Just an ornament today, it is ...

“The beveled glass provides a prism effect that makes the light sparkle,” Miniscalco said. “It’s no wonder that we are using transoms extensively in home designs.” ———- ...

"Water, water everywhere, and not a drop to drink!" Dan Smith shows how different temperatures on the horizon play tricks on ...

More than 350 years ago, a young Isaac Newton fundamentally altered our understanding of visible light when he put a glass prism to a beam of sunlight and saw an array of colors he already knew to ...

By tilting one or both of the glass plates, the cylinder can be made wedge-shaped, like a prism. Light beams entering the glass plate at one end of the prism are thus bent and emerge from the ...