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Fuller, Loie

(Encyclopedia)Fuller, Loie lōˈē [key], 1862–1928, American dancer and theatrical innovator, b. Fullersburg, Ill., as Mary Louise Fuller. She began her career as a child, performing in burlesque, vaudeville, th...

Sperry, Elmer Ambrose

(Encyclopedia)Sperry, Elmer Ambrose, 1860–1930, American inventor, b. Cortland, N.Y. Although probably best known for his work on the gyroscope, he also invented the gyrocompass (1910), an extremely effective hig...

mercury, chemical element

(Encyclopedia)mercury or quicksilver [from the Roman god Mercury], metallic chemical element; symbol Hg [Lat. hydrargyrum=liquid silver]; at. no. 80; at. wt. 200.59; m.p. −38.842℃; b.p. 356.58℃; sp. gr. 13.55...

Heda, Willem Claasz

(Encyclopedia)Heda, Willem Claasz vĭlˈəm kläs hāˈdä [key], 1594–c.1678, Dutch still-life painter. His excellent studies of tables laden with food, called ontbijt [breakfast piece] still life, are seen in m...

electric charge

(Encyclopedia)electric charge: see charge.

electric circuit

(Encyclopedia)CE5 A. Series circuit: Current is the same through each resistance; voltage divides in direct proportion to each resistance. B. Parallel circuit: Voltage drop is the same over each resistance; curr...

electric current

(Encyclopedia)electric current: see electricity. ...

electric eel

(Encyclopedia)electric eel: see electric fish. ...

electric eye

(Encyclopedia)electric eye: see photoelectric cell. ...

electric fish

(Encyclopedia)electric fish, name for various fish that produce electricity by means of organs usually developed from modified muscle tissue. The electric eels of South America are freshwater knifefish unrelated to...