This story appears in the May 2011 issue of National Geographic magazine. Something strange and wonderful happens when light enters a dark space through a tiny opening. Aristotle described the ...

The first known use of such technology was in China in the fifth century B.C. From this point until the 17th century, the camera obscura was used almost exclusively for scientific purposes such as ...

All the way back to at least the 5th Century BC, where the Chinese philosopher ... reflections well enough to use something called a "camera obscura" to view and sometimes record images.