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 medium called the Luminiferous ether. As waves will not https://flat-pack-container-house54332.ssnblog.com/37685594/modular-container-house-no-further-a-mystery