Christiaan Huygens (1629-1695) labored out a mathematical wave theory of light in 1678, and printed it in his Treatise on light in 1690. He proposed that light was emitted in all Instructions as a series of waves in the medium known as the Luminiferous ether. As waves are not https://shanevdktz.blogsidea.com/45586263/the-2-minute-rule-for-light-gauge-steel-framing