Associations to the word «Schlieren»

Wiktionary

SCHLIEREN, noun. Regions of a fluid having different refractive index because of their different density
SCHLIEREN, noun. (geology) Irregular streaks of different composition in some igneous rocks
SCHLIEREN PHOTOGRAPHY, noun. Any of several techniques used to record regions of different refractive index in a fluid; especially used to visualize the flow of air around objects

Wise words

In the End, we will remember not the words of our enemies, but the silence of our friends.
Martin Luther King, Jr.