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DK Science: Space Observatories

ELECTROMAGNETIC WAVESCOMPTON GAMMA RAY OBSERVATORYCHANDRA X-RAY OBSERVATORYSOHO’S SUNWATCHSPITZER OBSERVATORYHUBBLE SPACE TELESCOPEFIND OUT MOREHigh above the Earth’s atmosphere, space…

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…

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…

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…