Red and Blue refract in opposite directions in objective experiments too on May 22, 2021 objective experiments prismatic experiments refraction ROYGBV spectral colours spectrum subjective experiments VBGYOR +
On rainbows. Part 4. on September 27, 2018 dispersion experimentum crucis Newton prismatic experiments rainbow ROYGBV Snell's law subjective prismatic observations VBGYOR +
Collaboration Day 1 on July 26, 2016 double concave lens double convex lens prism prismatic `experiments rainbow ray of light refraction ROYGBV spectral colours subjective prismatic experiment VBGYOR +
From double Dutch to an epiphany--the story of my latest journey on April 10, 2016 inverted spectrum Opticks prismatic `experiments ROYGBV spectral colours VBGYOR +
From VBGYOR to ROYGBV to VBGYOR/ROYGBV, and then to their implicative extensions Part 2. on April 10, 2016 objective prismatic experiments Opticks refraction ROYGBV subjective prismatic experiment VBGYOR +
From VBGYOR to ROYGBV to VBGYOR/ROYGBV, and then to their implicative extensions Part 1. on April 10, 2016 experimentum crucis Goethe contra Newton Newton spectral colours VBGYOR white wall +
A transient return to VBGYOR, the inconveniently inverted spectrum on April 10, 2016 inverted spectrum ROYGBV VBGYOR +
Some of my confrontations from 2008-2010 on March 22, 2016 experimentum crucis refraction ROYGBV VBGYOR +
More on Newton's theory of light and colours on February 28, 2016 Newton prism refractive angle ROYGBV spectral display VBGYOR +