One of the most readable of all the great classics of physical science, this volume will impress readers with its surprisingly modern perspectives.In language that lay readers can easily follow, Sir Isaac Newton describes his famous experiments with spectroscopy and colors, lenses, and the reflection and diffraction of light. Book I contains his fundamental experiments with the spectrum, Book II deals with the ring phenomena, and Book III covers diffraction. The work concludes with "Queries" — speculations concerning light and gravitation. Opticks is introduced with a Foreword by Albert Einstein.