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- Timeline of invention (28171 bytes)
3: ...s ambiguity, the date of the first practical, fielded version of the invention is used here.
60: * [[Odometer]] : [[Ancient Rome|Rome]]: [[Archimedes]]?
66: ...ntury BC|200s BC]]: Compound [[pulley]]: [[Archimedes]]
74: * [[1st century]]: [[Rudder|Stern mounted rudder]] in [[History of China|China]]
83: * [[9th century|800s]]: [[Black powder|Gunpowder]] in [[History of China|China]] - List of inventors (14020 bytes)
11: *[[Archimedes]], (circa 287 BC-212 BC), [[Greece]]
12: *[[Manfred von Ardenne]], (1907-1997), [[Germany]]
14: ...s]],(1927 - June, 1996)of the [[Canada|Canadian]] Department of Agriculture — instant mashed po...
19: *[[Robert Baden Powell]]- scouting movement
22: ... U.S. solar inventor and developer; architectural designer. - Thomas Edison (20653 bytes)
3: ... and [[businessman]] who developed many important devices. "The Wizard of [[Menlo Park, New Jersey|Men...
5: ... Nevertheless, Edison received [[patent]]s worldwide, including the [[United States]], [[United Kingdo...
10: ...ing near Vienna, Ontario. Among them was Samuel Ogden Edison, Jr., a shingle maker, tailor, and tavern...
12: ...MacKenzie Rebellion]] that sought Canadian independence. The revolt failed and, like his grandfather,...
14: From [[Port Huron]], Sam Edison moved to [[Detroit]], then [[Peru, Ohio]], and finally to [[Mil... - Alexander Graham Bell (18688 bytes)
2: subject_name=Alexander Graham Bell |
3: image_name=Alexader_g_bell_1.jpg|
8: dead=dead |
9: date_of_death=[[August 2]] [[1922]] |
10: place_of_death=[[Baddeck, Nova Scotia|Baddeck]], [[Nova Scotia]], [[Canada]] - 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 ... - 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... - Osmium (11139 bytes)
2: <table border="1" cellpadding="2" cellspacing="0" align="right...
5: <table align="center" border="0">
23: <td>[[Density]], [[Mohs hardness scale|Hardness]] </td>...
35: <td>[[van der Waals radius]] </td><td>...
41: <td>[[Oxidation state]]s ([[Oxide]]) </td><td>4, 6, 8 (mildly [[aci... - Benjamin Harrison (11469 bytes)
1: ''This article is about the President. For the Angband member, see [[Ben Harrison]]''
3: <table border="0" align="right" style="margin-left:1em"><tr><t...
4: <table border="1" cellpadding="2" cellspacing="0">
7: <tr><td>'''Order:'''</td><td>23rd President</td></tr>
9: <tr><td>'''Preceded by:'''</td><td>[[Grover Cleveland]]</td></tr> - Music history of the United States (35788 bytes)
4: ...people to populate [[North America]]. These included a number of [[tribe]]s, like the [[Choctaw]], [[...
6: ...tian]] [[choir]]s, [[musical notation]], [[broadside]]s, as well as large numbers of [[West Africa]]n ...
12: ...] began performing spoken lyrics over a beat provided by an [[emcee]]; this became known as [[hip hop ...
17: ...nct, though some remain relatively vibrant in a modern form, such as [[music of Hawaii|Hawaiian music]...
19: ...an]], [[Ireland|Irish]], [[Mexico|Mexican]], [[Sweden|Swedish]], [[Ukraine|Ukrainian]] and [[Armenia]]...
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