Search results
Results From The WOW.Com Content Network
Red-eye effect, a reflection of red blood vessels, appears in the eyes of humans and other animals that have no tapetum lucidum, hence no eyeshine, and rarely in animals that have a tapetum lucidum. The red-eye effect is a photographic effect, not seen in nature. Some ophthalmologists specialise in this segment.
This is one of the largest collections of public domain images online (clip art and photos), and the fastest-loading. Maintainer vets all images and promptly answers email inquiries. Open Clip Art – This project is an archive of public domain clip art. The clip art is stored in the W3C scalable vector graphics (SVG) format.
A list of Chinese symbols, designs, and art motifs, including decorative ornaments, patterns, auspicious symbols, and iconography elements, used in Chinese visual arts, sorted in different theme categories. Chinese symbols and motifs are more than decorative designs as they also hold symbolic but hidden meanings which have been used and ...
Coordinates. 14°41′51″S75°8′6″W / 14.69750°S 75.13500°W. Location of Nazca lines in Peru. The Nazca lines ( / ˈnɑːzkə /, /- kɑː / [ 1 ]) are a group of geoglyphs made in the soil of the Nazca Desert in southern Peru. [ 2 ] They were created between 500 BC and 500 AD by people making depressions or shallow incisions in ...
The tapetum lucidum ( Latin for 'bright tapestry, coverlet'; / təˈpiːtəm ˈluːsɪdəm / tə-PEE-təm LOO-sih-dəm; pl.: tapeta lucida) [1] is a layer of tissue in the eye of many vertebrates and some other animals. Lying immediately behind the retina, it is a retroreflector. It reflects visible light back through the retina, increasing the ...
The top and bottom images produce a dent or projection depending on whether viewed with cross- () or wall- () eyed vergence. An autostereogram is a two-dimensional (2D) image that can create the optical illusion of a three-dimensional (3D) scene. Autostereograms use only one image to accomplish the effect while normal stereograms require two.
Compound eye. A compound eye is a visual organ found in arthropods such as insects and crustaceans. It may consist of thousands of ommatidia, [1] which are tiny independent photoreception units that consist of a cornea, lens, and photoreceptor cells which distinguish brightness and color. The image perceived by this arthropod eye is a ...
The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.