Night vision is the ability to see in low light conditions. Whether by biological or technological means, night vision is made possible by a combination of two approaches: sufficient spectral range, and sufficient intensity range. Humans have poor night vision compared to many animals, in part because the human eye lacks a tapetum lucidum.
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Famous quotes containing the words night and/or vision:
“One that converses more with the buttock of the night than
with the forehead of the morning.”
—William Shakespeare (1564–1616)
“Every daring attempt to make a great change in existing conditions, every lofty vision of new possibilities for the human race, has been labeled Utopian.”
—Emma Goldman (1869–1940)