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 8 on March 01, 2017 Descartes diffraction experimentum crucis longitudinal propagation longitudinal spectral distribution objective prismatic experiments Snell's law subjective prismatic experiment +
Ethos: To live in, by, and only, for truth on April 11, 2016 ethos Greekness image displacement Jesus logos my God Newton pathos prism Snell's law total internal reflection truth of the Truth +