Christiaan Huygens (1629-1695) worked 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 as being a series of waves in a very medium known as the Luminiferous ether. As waves https://cashqziqy.angelinsblog.com/37928320/not-known-facts-about-steel-frame-house