it slows down and changes direction due to the prism's shape and material. This process is called dispersion. Red, with its longest wavelength, bends the least, while violet bends the most.

Input and output do not always correlate; white light shone through a prism becomes violet, indigo, green and yellow, orange, blue and red. The martini is bartending’s prism. In gin, vodka and ...

Those colours are red, orange, yellow, green, blue, indigo and violet, and all the shades of ... into all its different colours using a glass prism. The prism bends different colours of light ...