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Eames, Charles

(Encyclopedia) Eames, CharlesEames, Charlesāmz [key], 1907–78, American designer, b. St. Louis, Mo. He opened his own architectural practice in 1930 and in the late 30s studied with Eliel Saarinen at…

skiagraph

(Encyclopedia) skiagraph: see X ray.

Wray, John

(Encyclopedia) Wray, John: see Ray, John.

polarization of light

(Encyclopedia) polarization of light, orientation of the vibration pattern of light waves in a singular plane. Unpolarized light can be converted into a single polarized beam by means of the Nicol…

observatory, orbiting

(Encyclopedia) observatory, orbiting, research satellite designed to study solar radiation, electromagnetic radiation from distant stars, the earth's atmosphere, or the like. Because the atmosphere…

virtual observatory

(Encyclopedia) virtual observatory, a collection of integrated astronomical data archives and software tools that utilize computer networks to create an environment in which research can be conducted…

DK Science & Technology: Lenses

WHAT DOES A LENS DO? WHAT IS THE DIFFERENCE BETWEEN A MICROSCOPE AND A TELESCOPE? CONVEX LENSCONCAVE LENSFIND OUT MOREWhen you look through a magnifying glass, or take a picture with a camera, you…