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Skateboarding is an action sport which involves riding and performing tricks using a skateboard. A person who skateboards is most often referred to as a skateboarder, or colloquially within the skateboarding community, a skater. Skateboarding can be a recreational activity, an art form, a job, or a method of transportation. Skateboarding has been shaped and influenced by many skateboarders throughout the years. A 2002 report by American Sports Data found that there were 18...

Animals have appeared in art throughout history. Ancient cave paintings illustrate various animals including dinosaurs and deer. Some ancient Egyptian symbols include animals as well as ancient pottery. This page includes information on how animals have influenced art and humans throughout history...

These toilet tube dioramas were created by Anastassia Elias. A good artist doesn’t necessarily need expensive materials to do good work. French painter/collage artist proves this with the tiny scenes she creates inside of cardboard toilet-paper tubes. Anastassia Elias is an assistant Professor with the Department of Chemical and Materials Engineering at the University of Alberta...

In infrared photography, the film or image sensor used is sensitive to infrared light. The part of the spectrum used is referred to as near-infrared to distinguish it from far-infrared, which is the domain of thermal imaging. Wavelengths used for photography range from about 700 nm to about 900 nm. Usually an "infrared filter" is used; this lets infrared (IR) light pass through to the camera, but blocks all or most of the visible light spectrum (the filter thus looks black or deep red)...