He is known, among other things, for explaining effects such as the Glory (optical phenomenon).
An optical phenomenon is any observable event that results from the interaction of light and matter.
A mirage is an example of an optical phenomenon.
A common optical phenomenon involving water droplets is the glory.
There are two optical phenomena that need to be recognized in street light installations.
This is an optical phenomenon in which a green spot is visible above the sun, usually for no more than a second or two.
An optical phenomenon, the Dawes limit, is named for him.
Fiber optics is based on the optical phenomenon known as total internal reflection.
An account of a peculiar optical phenomenon seen after having looked at a moving body.
The black drop effect, an optical phenomenon visible during a transit of Venus.