Newton's theory may very well be used to forecast the reflection of light, but could only clarify refraction by improperly assuming that light accelerated on moving into a denser medium because the gravitational pull was larger. Newton published the ultimate Model of his idea in his Opticks of 1704. https://juliusrbkta.ssnblog.com/37768023/not-known-details-about-light-steel-frame-houses