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What causes a rainbow?

What causes a rainbow? Although light looks colorless, it’s made up of many colors-red, orange, yellow, green, blue, indigo and violet. These colors are known as the spectrum. When light shines…

Auerstedt

(Encyclopedia) AuerstedtAuerstedtouˈərshtĕt [key], village, Thuringia, S central Germany. At Auerstedt on Oct. 14, 1806 (the same day Napoleon I triumphed at Jena), French Marshal Louis Nicholas…

Tokyo, University of

(Encyclopedia) Tokyo, University of, at Tokyo, Japan; founded in 1877. In the 1920s it became one of the first Imperial universities and remains one of the most prestigious in Japan. It offers…

Bari

(Encyclopedia) Bari Bari bäˈrē [key], city, capital of Bari prov. and of Apulia, S Italy, on the Adriatic…

body language

(Encyclopedia) body language, nonverbal communication by means of facial expessions, eye behavior, gestures, posture, and the like. Body language expresses emotions, feelings, and attitudes,…

Wilkins, Maurice Hugh Frederick

(Encyclopedia) Wilkins, Maurice Hugh Frederick, 1916–2004, British biophysicist, b. New Zealand, Ph.D. Univ. of Birmingham, 1940. He conducted research at the Univ. of St. Andrews, Scotland, and at…

Youngest Nobel Prize Winner

The Question: Who is the youngest Nobel prize winner? The Answer: The youngest person to receive a Nobel prize was Sir William Lawrence Bragg (Physics…

Hamar

(Encyclopedia) Hamar Hamar häˈmär [key], city, capital of Hedmark co., SE Norway, on Lake Mjøsa. It…

DK Science: Reflection

IRREGULAR REFLECTIONMIRRORSFIND OUT MOREReflections are usually caused by shiny things, such as MIRRORS, that show a reversed image of whatever is placed in front of them. The image seems to be…