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 series of waves in a very medium called the Luminiferous ether. As waves will https://lightweight-steel-frame-h66544.getblogs.net/71345031/details-fiction-and-modified-container-house