Christiaan Huygens (1629-1695) worked out a mathematical wave concept of light in 1678, and released it in his Treatise on light in 1690. He proposed that light was emitted in all Instructions as being a series of waves inside of a medium called the Luminiferous ether. As waves will https://steel-frame-villa88665.dbblog.net/12077820/prefabricated-house-for-dummies