(Encyclopedia) triangle, in music, percussion instrument consisting of a steel rod bent into a triangle, open at one angle, and struck with a steel rod. Only since the end of the 18th cent. has it…
(Encyclopedia) electroscope, device for detecting electric charge invented by Nollet in 1748. There are various types of electroscopes. The most common has a cylindrical metal case closed by two…
(Encyclopedia) AaronAaronârˈən [key], in the Bible, the brother of Moses and his spokesman in Egypt, and the first high priest of the Hebrews. He is presented as the instrument of God in performing…
(Encyclopedia) Alsop, JosephAlsop, Josephôlˈsəp [key], 1910–89, and Alsop, Stewart, 1914–74, American political journalists, b. Avon, Conn. Joseph joined (1932) the New York Herald Tribune as a staff…
(Encyclopedia) bacillusbacillusbəsĭlˈəs [key], any rod-shaped bacterium or, more particularly, a rod-shaped bacterium of the genus Bacillus. Some bacterium in the genus cause disease, for example B.…
PARTS OF THE EYE IMAGE FORMATION FROM EYES TO BRAIN CHANGING PUPIL SIZE COLOUR VISION FIND OUT MORE
Whenever we are awake, our eyes work constantly to collect information about the…
(Encyclopedia) Stuart or Stewart, Alexander, earl of BuchanStuart or Stewart, Alexander, earl of Buchanbŭkhˈan, bŭkˈ– [key], 1343?–1405?, Scottish nobleman; fourth son of Robert II. He held various…
Windows to the SoulAnatomy and PhysiologyThe SensesWindows to the SoulCan You Hear Me Now?The Nose KnowsDon't Be So Touchy! Vision is a remarkable sense when you consider the difficulties. The…
