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'''Red''' may be any of a number of similar [[color]]s at the lowest frequencies of [[light]] discernible by the [[human]] [[eye]]. Red is one of three [[primary colors]] of light, along with [[green]] and [[blue]]. Red light has a wavelength range of roughly 625–760&nbsp;nm. Lower frequencies are called [[infrared]], or "below red", and cannot be seen by human eyes, although some infrared frequencies can be felt as heat.<ref>https://www.flickr.com/photos/lensop/sets/72157594342268252/</ref>

'''Red''' may be any of a number of similar [[color]]s at the lowest frequencies of [[light]] discernible by the [[human]] [[eye]]. Red is one of three [[primary colors]] of light, along with [[green]] and [[blue]]. The color red corresponds to wavelengths of 625 nanometers to 740 nanometers in the electromagnetic spectrum.<ref>http://hyperphysics.phy-astr.gsu.edu/hbase/vision/specol.html#c1</ref> Lower frequencies are called [[infrared]], or "below red", and cannot be seen by human eyes, although some infrared frequencies can be felt as heat.<ref>https://www.flickr.com/photos/lensop/sets/72157594342268252/</ref>

Red is supposedly the first color perceived by humans. Brain-injured persons suffering from temporary [[color-blindness]] start to perceive red before they are able to discern any other colors.<ref>http://www.tcrwf.org/PDF/April-2006-Newsletter.pdf</ref> [[Neolithic]] hunter peoples considered red to be the most important color endowed with life-giving powers and thus placed red ocher into graves of their deceased. This explains funds of [[skeleton]]s embedded in up to 10&nbsp;kg of red powdered ocher. Neolithic cave painters ascribed [[magic]] powers to the color red. It can be stipulated that they painted [[animal]]s in red ocher or iron oxide to conjure their fertility.

Red is supposedly the first color perceived by humans. Brain-injured persons suffering from temporary [[color-blindness]] start to perceive red before they are able to discern any other colors.<ref>http://www.tcrwf.org/PDF/April-2006-Newsletter.pdf</ref> [[Neolithic]] hunter peoples considered red to be the most important color endowed with life-giving powers and thus placed red ocher into graves of their deceased. This explains funds of [[skeleton]]s embedded in up to 10&nbsp;kg of red powdered ocher. Neolithic cave painters ascribed [[magic]] powers to the color red. It can be stipulated that they painted [[animal]]s in red ocher or iron oxide to conjure their fertility.

Red is also used to symbolize [[Communism]] and is prevalent in the flags of China and Soviet Russia. The slogan, "Better Red than dead," was popularized as a way of characterizing the appeasement of [[Communism]] by [[Bertrand Russell]] and his mostly [[British]] supporters.<ref>https://books.google.com/books?id=uIRi0BOvTi4C&pg=PA391&lpg=PA391&dq=%22better+red+than+dead%22+%22Bertrand+Russell%22&source=web&ots=WwFRaEaAmY&sig=h5XEKBrZOQidfBaca9EqJySsISM&hl=en</ref> To a certain extent, it also was used to symbolize the Nazis, largely due to their being derived from the same ideology as Communism.

Red is also used to symbolize [[Communism]] and is prevalent in the flags of China and Soviet Russia. The slogan, "Better Red than dead," was popularized as a way of characterizing the appeasement of [[Communism]] by [[Bertrand Russell]] and his mostly [[British]] supporters.<ref>https://books.google.com/books?id=uIRi0BOvTi4C&pg=PA391&lpg=PA391&dq=%22better+red+than+dead%22+%22Bertrand+Russell%22&source=web&ots=WwFRaEaAmY&sig=h5XEKBrZOQidfBaca9EqJySsISM&hl=en</ref> To a certain extent, it also was used to symbolize the Nazis, largely due to their being derived from the same ideology as Communism.

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