Christiaan Huygens (1629-1695) labored out a mathematical wave idea of light in 1678, and posted it in his Treatise on light in 1690. He proposed that light was emitted in all Instructions being a number of waves inside a medium known as the Luminiferous ether. As waves will not https://archertcktc.techionblog.com/39123566/not-known-facts-about-steel-frame-house