Christiaan Huygens (1629-1695) labored out a mathematical wave idea 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 number of waves inside a medium called the Luminiferous ether. As waves are usually https://flat-pack-container-house21098.life3dblog.com/37602614/details-fiction-and-modified-container-house