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As these films are digitized they are posted to Northwestern's Audio Video Repository.
WATCH WILDCAT FOOTBALLUniversity Archives builds its collections through donations.
If with superhuman eyes you could see beyond red, you would encounter the "infrared" -- felt as heat on the skin -- which would merge gradually into the familiar "radio" portion of the spectrum.
Shorter than violet you would see the ultraviolet, that which gives us tans and sunburns, and then you would encounter much more dangerous X-ray radiation and finally deadly gamma rays.
Most of the energy of the Universe is transported in this way, by radiation.
The visual spectrum of light, however, is but a tiny portion of the whole picture, of a huge spectrum of radiation that extends in both directions from the edges of the rainbow.
"Spectra" is embedded with links that will take you back to the appropriate parts of the above two sites. The classic colors red, orange, yellow, green, blue, and violet connect in a seemingly infinite number of shades, one blending smoothly into the next.In turn, they are better able to interact with others, distinguishing intimate feelings from companionate ones.This site, closely coupled to The Natures of the Stars and The Hertzsprung- Russell (HR) Diagram, provides an introduction to the spectra of stars and allied celestial objects.) are the intercollegiate athletic teams of the University of Illinois at Urbana–Champaign.The university offers 10 men's and 11 women's varsity sports.