Christiaan Huygens (1629-1695) labored out a mathematical wave theory of light in 1678, and revealed it in his Treatise on light in 1690. He proposed that light was emitted in all Instructions to be a series of waves in a very medium known as the Luminiferous ether. As waves https://lgshouse77655.blogacep.com/44546970/the-best-side-of-steel-structure-homes