He invented the camera obscura, the precursor to the pinhole camera, to demonstrate how light can be used to project an image onto a flat surface. Earlier references to the camera obscura have been found in Chinese texts dating to about 400 B.C. and in the writings of Aristotle around 330 B.C.
Pottery, silk art, bronze and wood sculpture, and ink painting were all forms of art in asia
When someone (who is doing the criticism) stops and you have time to think.
graphite. the center of a pencil is generally graphite
