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- November 4 (10686 bytes)
7: ...)|Antwerp]] (after three days the city was nearly destroyed).
8: ...Moscow]] China Town taken by [[Russia]]n troops under command of [[Dmitri Mikhailovich Pozharski|Dmitr...
10: ...[[Kingdom of Sardinia|Sardinia]], which soon expanded to become [[Italy]].
12: ...bombard a [[United States|Union]] supply base and destroy millions of dollars in material.
14: ... Democratic Party|Democrat]] [[Grover Cleveland]] defeats [[United States Republican Party|Republican]... - Vocal cords (1030 bytes)
5: ...e]]). A person's voice [[pitch_(music)|pitch]] is determined by the [[resonant frequency]] of the voca... - Ada Lovelace (5406 bytes)
2: ...], [[1852]]) is mainly known for having written a description of
6: ...d Ada with her. On [[April 21]], Byron signed the Deed of Separation and left England for good a few d...
8: ...and [[science]]; one of her tutors was [[Augustus De Morgan]]. An active member of [[London]] society,...
11: ...Countess of Lovelace'''. She is widely known in modern times simply as '''Ada Lovelace'''.
15: ...e elaborate and scientific pieces of music of any degree of complexity or extent." - Accordion (10069 bytes)
9: [[Image:KlavierAccordeon.jpg|thumbnail|200px|right|a piano accordion]]
10: ...e, and as air is drawn through the hole in the holder, the reed vibrates, producing sound.
12: Modern free-reed instruments have several aspects in c...
22: ...ons, which is more similar to a clarinet than a modern free-reed instrument.
25: ... with Jew's Harps. The reeds were mounted on a wooden soundboard, similar to concertinas. - Aeolian harp (2264 bytes)
1: ...re still being hand-crafted today. Some are now made in the form of monumental metal [[sound sculpture...
3: ...icknesses) and all be tuned to the same note, or identical strings can be tuned to different notes.
5: The sound is random, depending on the strength of the wind passing over t...
7: ... the side, until the restoring force arising from deflection halts and reverses the motion.
12: ... poems, ''The Aeolian Harp'' and ''Dejection, an Ode'', both by [[Samuel Taylor Coleridge]]. - Meteorology (19082 bytes)
12: ...d in [[1667]] by [[Robert Hooke]], while [[Horace de Saussure]] completed this list of the most import...
14: ... was also the first American to keep accurate and detailed records of weather conditions on a daily ba...
16: ...s was understood. Early in the 20th century this deflecting force was named after [[Gaspard-Gustave C...
18: ...lowed exchange of weather information with unprecedented speed.
20: ... [[front (meteorology)|front]]s, that is, sharply defined boundaries between air masses. - Uranus (15207 bytes)
1: ...margin: 1em 1em 1em 0; border: 1px #aaa solid; border-collapse: collapse; font-size: 95%;" style="floa...
5: <small><font color="white">Click image for description</font></small>
48: | 0.769 86°<br>(6.48? to Sun's equator)
50: ...e ascending node|Longitude of the<br> ascending node]]
51: | 74.229 88° - Pressure (9004 bytes)
12: Often ''F'' is taken to be the magnitude of the mean vector force normal to the surface of...
14: The [[gradient]] of pressure is [[force density]].
23: ...t. Pressure acts in all directions at a point inside a gas. At the surface of a gas, the pressure forc...
30: *''[[rho|ρ]]'' (rho) is the [[density]] of the fluid
38: ...or [[Cobra probe]], connected to a [[manometer]]. Depending on where the inlet holes are located on th... - Aircraft (13315 bytes)
15: ... use a spinning rotor (a ''rotary wing'') to provide both lift and thrust. The abbreviation [[VTOL]] i...
18: ...n particular, these aircraft use a relatively low density gas such as [[helium]], [[hydrogen]] or heat...
24: Below, we describe classifications by design, propulsion and usage.
29: ====By design====
33: A first division by design among aircraft is between lighter-than-air, '... - Charles Babbage (13539 bytes)
2: ...roto-) [[computer scientist]] who originated the idea of a ''programmable'' [[computer]]. Parts of hi...
5: ...t [[Teignmouth]], and Charles' father became a warden of the nearby St. Michael?s Church.
8: ...n near Cambridge, Charles said, "I fear I did not derive from it all the advantages that I might have ...
12: ...uate with honors. He instead received an honorary degree without examination in 1814.
16: ...ve of the marriage. The couple lived happily at 5 Devonshire Street, Portland Place, London. They had ... - March 17 (9666 bytes)
6: ...[45 BC]] - In his last victory, [[Julius Caesar]] defeats the [[Pompey|Pompeian]] forces of [[Titus La...
11: ...], with [[Napoleon I of France|Napoleon]] as president, becomes the [[Kingdom of Italy (Napoleonic)|Ki...
16: ...Gogh]] paintings in [[Paris]], 11 years after his death, creates a sensation.
21: ...rt]] is officially opened by President [[Franklin Delano Roosevelt|Franklin D. Roosevelt]].
28: ...s with suppressing information related to the incident. - Mathematician (9627 bytes)
5: ...]]s, many of them devoted to mathematics and many devoted to subjects to which mathematics is applied ...
13: ...lled [[axiom]]s, and then proceed to prove other ideas ([[theorem]]s) that follow from the assumptions...
21: ... to transcend the context of the human mind; the idea that "2+2=4 is a true statement" is assumed to e...
23: ...s are "static" - once a statement achieves the lauded position of a theorem, it remains true forever. ...
27: ... mathematicians|amateur mathematician]] who has made important contributions to the field. - List of mathematicians (37424 bytes)
1: ...|English]] [[alphabet]]ical [[transliteration]] order (by [[surname]]).
29: *[[Alexander Anderson (mathematician)|Alexander Anderson]] (Scotland, [[1582]] - [[1620]])
30: *[[Adolf Anderssen]] (Germany, [[1818]] - [[1879]])
36: *[[Archimedes]] (Syracuse, [[287 BC|287 B.C.]] - [[212 BC|212 ...
52: *[[Claude Gaspard Bachet de M麩riac]] (France, [[1581]] - [[1638]]) - Leonhard Euler (10366 bytes)
3: ...d by [[Gottfried Leibniz|Leibniz]] - [[1694]]) to describe an [[Expression (mathematics)|expression]] ...
5: ... dominated [[eighteenth century]] mathematics and deduced many consequences of the newly invented [[ca...
10: ...ematics. Paul Euler, Leonhard's father, had attended [[Jakob Bernoulli]]'s mathematical lectures and ...
14: ... only three sons and two daughters survived. The descendants of these children, however, were in high...
16: ...or of the mathematical class at the [[Prussian Academy of Sciences]] in [[Berlin]]. His time in Berli... - 18th century new (49640 bytes)
4: ...x|Washington crossing the Delaware, [[December 25|Dec. 25]], [[1776]], an iconic event of the [[Americ...
6: ...ut with the French revolution, they were on the side of the counterrevolution.
8: ...al revolution]] started in Britain. Despite its modest beginnings in the 18th century, it would radica...
15: ...[1700]]: The [[1700 Cascadia earthquake]] (magnitude 9) occurs off the coast of the [[Pacific Northwes...
17: * [[1700]]-[[1721|21]]: [[Russia]] supplants [[Sweden]] as the dominant [[Baltic region|Baltic]] power... - Physics (25628 bytes)
2: ...ear particles from which all ordinary matter is made ([[particle physics]]) to the behavior of the mat...
4: ...of the underlying molecules, which are accurately described by areas of physics such as [[quantum mech...
6: ...cs, known as [[mathematical physics]], devoted to developing the mathematical structure of physical th...
15: ...hich no practical experimental test has ever been devised.
19: ...research into more specialized topics, and any student of physics, regardless of his or her specializa...
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