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- Capacitor (29664 bytes)
2: ...ade of metal) stacked or rolled to form a compact device, but '''every''' multi-[[conductor]] [[geomet...
7: ... but opposite charge, the ''total'' charge in the device is always zero.
22: ...cumulates on the plates of a capacitor, a voltage develops across the capacitor due to the electric fi...
30: For an ideal capacitor, the capacitor [[current]] is proport...
45: ...rs are usually specified such as 5 or 10%, or broader ranges for some types. Adjustable versions have ... - History of astronomy (13532 bytes)
2: [[Astronomy]] is probably the oldest of the [[natural science]]s, dating back to [[a...
8: ...ers were [[priest]]s ([[Magi]]), and that their understanding of the "[[heaven]]s" was seen as "[[divi...
10: ...alendar is based on the Roman calendar, which divided the year into twelve months of alternating thirt...
14: ...ennium BC, but their contents appear to be much older.
20: ... that took the earth to spin on its axis and considered the motions of the planets with respect to the... - Electricity (13894 bytes)
1: ...s law]]. Some electrical effects are discussed under [[electrical phenomenon]] and [[electromagnetism...
8: ...ian]] walls, such as the [[Dendera light]]. Other devices discovered in Egyptian and other archaeologi...
10: ...tist)|William Watson]], experimenting with the Leyden jar, discovered in [[1747]] that a discharge of ...
11: ...:Electricity clipart.jpg|thumb|250px|Clipart provided by [http://classroomclipart.com Classroom Clip A...
12: ... frequently) or [[Ebenezer Kinnersley]] of [[Philadelphia]] (less frequently) who created the conventi... - Czech Republic (13856 bytes)
1: ...ackground: #f9f9f9; border: 1px #aaaaaa solid; border-collapse: collapse; font-size: 95%;"
5: {| border=0 cellpadding=2 cellspacing=0
9: ... width="120px" | ([[Flag of the Czech Republic|In Detail]])
23: | '''[[President of the Czech Republic|President]]'''
32: ...tal ([[2003]]) <br /> - [[Population density|Density]] - San Francisco, California (55022 bytes)
12: leader_title = [[Mayor]] |
13: leader_name = [[Gavin Newsom]] |
14: area_magnitude = 1 E8 |
21: population_density = 6958.45 |
26: latitude = 37°46' N | - Bill Clinton (59225 bytes)
1: {{Infobox President | name=William Jefferson Clinton
4: | order=42nd President
7: | preceded=[[George H. W. Bush]]
8: | succeeded=[[George W. Bush]]
11: | dead=alive - Ronald Reagan (52721 bytes)
1: {{Infobox President | name=Ronald W. Reagan
4: | order=40th President
7: | preceded=[[Jimmy Carter]]
8: | succeeded=[[George H.W. Bush]]
11: | dead= dead - John F. Kennedy (36524 bytes)
1: {{Infobox President | name=John Fitzgerald Kennedy
4: | order=35th President
7: | preceded=[[Dwight D. Eisenhower]]
8: | succeeded=[[Lyndon B. Johnson]]
11: | dead=dead - Lyndon B. Johnson (32801 bytes)
1: {{Infobox President | name=Lyndon B. Johnson
4: | order=36th President
7: | preceded=[[John F. Kennedy]]
8: | succeeded=[[Richard Nixon|Richard M. Nixon]]
11: | dead=dead - Richard Nixon (32863 bytes)
1: {{Infobox President | name=Richard M. Nixon
4: | order=37th President
7: | preceded=[[Lyndon B. Johnson]]
8: | succeeded=[[Gerald R. Ford]]
11: | dead=dead - Herbert Hoover (27123 bytes)
1: {{Infobox President | name=Herbert Hoover
4: | order=31st President
7: | preceded=[[Calvin Coolidge]]
8: | succeeded=[[Franklin D. Roosevelt]]
11: | dead=dead - Franklin D. Roosevelt (74009 bytes)
1: {{Infobox President | name=Franklin Delano Roosevelt
4: | order=32th President
7: | preceded=[[Herbert Hoover]]
8: | succeeded=[[Harry S. Truman]]
10: | place of birth=[[Hyde Park, New York|Hyde Park]], [[New York]] - Calvin Coolidge (18374 bytes)
1: <table border="0" align="right" style="margin-left:1em"><tr><t...
2: <table border="1" cellpadding="2" cellspacing="0">
6: <tr><td>'''Order:'''</td><td>30th President</td></tr>
8: <tr><td>'''Predecessor:'''</td><td>[[Warren G. Harding]]</td></tr>
12: <tr><td>'''Date of Death:'''</td><td>[[Tuesday]], [[January 5]], [[1933... - National Football League (30340 bytes)
8: ... and lasted through [[Christmas]] week. However, declining television ratings on Labor Day have pushe...
13: ...argin: 0 0 1em 1em; border: 1px #aaaaaa solid; border-collapse: collapse;">
14: <tr><th bgcolor="#efefef" colspan="4" style="border-bottom:1px solid gray;">[[American Football Conf...
16: ...ore Ravens]]</td><td>[[Houston Texans]]</td><td>[[Denver Broncos]]</td></tr>
18: ...<td>[[Jacksonville Jaguars]]</td><td>[[Oakland Raiders]]</td></tr> - Ionosphere (19365 bytes)
1: ...ces [[high-frequency]] (HF) (3–30[[MHz]]) [[radio propagation]] to distant places on the Earth.
6: ...of these free electrons is sufficient to affect [[radio propagation]]. This portion of the atmosphere is ...
8: ...alance between these two processes determines the degree of ionization present at any given time.
10: ...e also mechanisms that disturb the ionosphere and decrease the ionization. There are disturbances suc...
14: ...imum solar activity. With an active sun electron density values are a factor of 10 higher.]] - Charles Kingsford Smith (4894 bytes)
4: ... [[1917]]. For his services in battle, he was awarded the [[Military Cross]].
6: ...rner]] and [[Captain Harry Lyon]] (who were the [[radio operator]], [[navigator]] and [[engineer]] for th...
10: ...thern Cross''. The aircraft did not arrive at its destination. Eighteen months later, wreckage from th...
12: ...]] in his honour. A federal electorate, for the federal parliament of Australia, which encompasses the...
17: ...Kingsford Smith The Pioneers - Aviation and Aeromodelling] - - Adolf Hitler (51456 bytes)
7: dead=dead |
8: date_of_death = [[30 April]] [[1945]] |
9: place_of_death = [[Berlin]], [[Germany]]
11: ...[[Germany]] from [[1933]] to his death. He was leader of the [[National Socialist German Workers Party...
13: ...eople, including 6 million [[Jew]]s, in a [[genocide]] now known as [[the Holocaust]]. - Richard E. Byrd (4114 bytes)
5: ...ring his tour with the [[United States Navy]]. He developed a passion for flight, and pioneered many t...
9: ...their claim. Nonetheless, this trip earned Byrd widespread acclaim, enabling him to secure funding for...
12: ... emergency supplies in order to achieve the altitude of the Polar Plateau. However, the flight was suc...
15: ...pedition to date. Byrd also commanded [[Operation Deep Freeze]], which established permanent Antarctic...
17: ==Awards and decoration== - Roald Amundsen (8034 bytes)
6: ...]]'s crossing of [[Greenland]] in [[1888]] he decided on a life of exploration.
10: ...ica]]. Also on board was an American doctor, [[Frederick Cook]]. Cook probably saved the crew from [[s...
14: ...a success message ([[collect call|collect]]) on [[December 5]], [[1905]]. [[Nome, Alaska|Nome]] was re...
18: ...th Pole]]. On hearing in [[1909]] that first [[Frederick Cook]] and then [[Robert Peary]] claimed the ...
20: ...e change. Every member agreed to continue. Leon made the news public on October 2. - March 18 (10594 bytes)
7: ...elf [[King of Jerusalem]] during the [[Sixth Crusade]].
12: *[[1850]] - [[American Express]] is founded by [[Henry Wells]] & [[William Fargo]].
13: ...[American Civil War]]: The Congress of the [[Confederate States of America]] adjourns for the last tim...
14: ... of the [[France|French]] government [[Thiers]] orders evacuation of [[Paris]], a [[Paris_Commune|soci...
15: ...ith the [[United States]] granting exclusive [[trade|trading]] rights.
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