Opticks

In 1670, a young Cambridge professor began delivering lectures that would reshape how humanity understands light itself. Newton's Opticks emerged from years of meticulous experimentation with prisms, revealing that white light contains all colors and that each color bends at a different angle when passing through glass. But this book is far more than a treatise on refraction. Newton proposed that light consists of tiny particles - corpuscles - traveling in straight lines, setting off a debate that would rage for centuries. The final section, called simply "Queries," ventures into speculation about the nature of matter, the ether, and the forces that bind the universe together. Here the careful experimentalist becomes a philosopher of nature, asking questions that still echo through modern physics. This 1730 edition represents Newton's final thoughts, corrected by his own hand shortly before his death. For anyone curious about the origins of scientific reasoning, or the moment humanity first began to understand what light actually is, this book offers an extraordinary window into a genius at work.