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 number of waves in a medium called the Luminiferous ether. As waves will not https://lightsteelframehouses55432.fitnell.com/79840250/facts-about-light-steel-villa-revealed