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- Nikola Tesla (29894 bytes)
7: ...e cosmic rays and caused them to operate a motive device.''" - Nikola Tesla; Brooklyn Eagle, July 10th...
16: ...e [[Second Industrial Revolution]]. After Tesla's demonstration of [[Transmission (telecommunications)...
18: ...his life to make real these plans, while others made fortunes with his [[invention]]s.
20: ... His legacy can been seen across [[Modern world|modern civilization]].
24: |'''Electromechanical devices and principles developed by Nikola Tesla''':
Page text matches
- 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... - Lightning rod (7638 bytes)
1: ...sel) from [[lightning]] damage. Other names include '''lightning conductor''', '''lightning arrester'...
4: ... that tends to become so during storms. If the underground cable will resist [[corrosion]] well, it m...
6: ...he main power conductors. This conductor is grounded at various points along the link. Electrical su...
8: ..., as it is possible for lightning to strike the side of a building.
10: ... likely to be struck if they are nearer to the leader than this critical distance. It is standard pra... - Lightning (33113 bytes)
2: ...ning strokes are observed during a night-time thunderstorm.]]
6: ...e air, producing lightning's characteristic [[thunder]] sound.
10: ...but while waiting for its completion, he got the idea of using a flying object, such as a [[kite]] ins...
12: ...fallen during the storm had soaked the line and made it conductive.
14: ...ted the original high-object-with-some-spark-gap idea that they used, so he usually gets the credit. - Albert Einstein (43065 bytes)
3: ... and [[physical cosmology|cosmology]]. He was awarded the [[1921]] [[Nobel Prize in Physics|Nobel Priz...
5: ...or a scientist. In his later years, his fame exceeded that of any other scientist in [[history of scie...
7: ... day Einstein receives popular recognition unprecedented for a scientist.
14: ...y was [[Jew]]ish (and non-observant); Albert attended a [[Catholic school|Catholic elementary school]]...
16: ...ct. Another, more recent, theory about his mental development is that he had [[Asperger's syndrome]], ... - 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... - Ionosphere (19365 bytes)
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.]]
19: ...] of 121.5 [[nanometre]](nm) ionizing [[nitric oxide]] (NO). In addition, when the sun is active with...
22: ...ow far it can reflect radio waves. On the night side of the Earth, the solar wind drags the ionosphere... - Navigation (15650 bytes)
9: In Eastern Polynesia, navigators, in order to locate directions at various times of day and...
18: ...times of famine or difficulty, only they could trade for aid or evacuate people. The guild secrets mi...
27: === Modern methods ===
31: * [[pilotage]] - using visible natural and man made features such as [[sea mark]]s and [[beacon]]s
32: * [[dead reckoning]] - using [[compass]] and [[log]] to ... - Tin (12094 bytes)
2: {| border="1" cellpadding="2" cellspacing="0" align="right...
4: {| align="center" border="0"
24: | [[Density]], [[Mohs hardness scale|Hardness]]
41: | [[van der Waals radius]]
50: | [[Oxidation state]]s ([[Oxide]]) - Nikola Tesla (29894 bytes)
7: ...e cosmic rays and caused them to operate a motive device.''" - Nikola Tesla; Brooklyn Eagle, July 10th...
16: ...e [[Second Industrial Revolution]]. After Tesla's demonstration of [[Transmission (telecommunications)...
18: ...his life to make real these plans, while others made fortunes with his [[invention]]s.
20: ... His legacy can been seen across [[Modern world|modern civilization]].
24: |'''Electromechanical devices and principles developed by Nikola Tesla''': - Magnet (13875 bytes)
4: ...n stone". [[Magnesia]] is an area in Greece where deposits of [[magnetite]] have been discovered since...
6: ...magnet]]. Permanent magnets do not rely upon outside influences to generate their field. Electromagnet...
14: ...tween'' atoms and molecules. Without long range ordering, there is no net magnetic field because the m...
16: ... great deal of order. The greater the degree of ordering within and between domains, the greater the r...
18: Long range ordering (and the resulting strong net magnetic field)...
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