Augustin Jean Fresnel File

: In 1822, Fresnel designed a "beehive" of concentric glass prisms.

You can find various prints and commemorations of Fresnel's work through online retailers: augustin jean fresnel

: Early 19th-century lighthouses used bulky reflectors that lost over 50% of their light. : In 1822, Fresnel designed a "beehive" of

: Successfully challenged Isaac Newton’s "particle" theory of light by mathematically explaining diffraction and interference. : In 1822

: A famous experiment where light was shown to bend around a circular disk and create a bright spot in the center of its shadow, proving light acts like a wave.