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View from the Window at Le Gras 1826 or 1827, believed to be the earliest surviving camera photograph. [1] Original (left) and colorized reoriented enhancement (right). The history of photography began with the discovery of two critical principles: The first is camera obscura image projection, the second is the discovery that some substances ...
This is a list of photographs considered the most important in surveys where authoritative sources review the history of the medium not limited by time period, region, genre, topic, or other specific criteria. These images may be referred to as the most important, most iconic, or most influential—but they are all considered key images in the ...
First direct image of Earth taken by a person from the surface of another astronomical object (from the Moon), (AS11-40-5923). [20] [47] November 24, 1969 Apollo 12: First images (black-and-white and 16mm color film) of a solar eclipse with the Earth, taken by a human, when the Apollo 12 spacecraft aligned its view of the Sun with the Earth ...
Claudius Galen Guesses At It. Perhaps the most famous doctor to come out of the Roman empire, Claudius Galen acknowledges the clitoris and theorizes that “all the parts, then, that men have, women have too, the difference between them lying in only one thing, namely, that in women the parts are within, whereas in men they are outside.”
The subject of combinatorics has been studied for much of recorded history, yet did not become a separate branch of mathematics until the seventeenth century. [21] At the end of the 19th century, the foundational crisis in mathematics and the resulting systematization of the axiomatic method led to an explosion of new areas of mathematics.
Wikipedia, a free-content online encyclopedia written and maintained by a community of volunteers known as Wikipedians, began with its first edit on 15 January 2001, two days after the domain was registered. [ 2 ] It grew out of Nupedia, a more structured free encyclopedia, as a way to allow easier and faster drafting of articles and translations.
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