On rainbows. Part 8 (Or about what I learned from the wisdom of Yogi Berra) on January 12, 2019 Circumzenithal Arc dispersion double rainbow Ockham's razor primary rainbow rainbow raindrop refraction secondary rainbow theory of the rainbow +
On rainbows. Part 4. on September 27, 2018 dispersion experimentum crucis Newton prismatic experiments rainbow ROYGBV Snell's law subjective prismatic observations VBGYOR +