Nature's optics and our understanding of light
Optical phenomena visible to everyone abundantly illustrate important
ideas in science and mathematics. The phenomena considered include
rainbows, sparkling reflections on water, green flashes, earthlight on the
moon, glories, daylight, crystals, and the squint moon. The concepts
include refraction, wave interference, numerical experimen,
asymptotics, Regge poles, polarization singularities, conical intersections,
and visual illusions.