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- Timeline of invention (28171 bytes)
3: ...cal form many years before another inventor improves the invention into a practical form. Where there ...
7: ...uage|Language]] (controversial - this is the earliest likely)
14: * 26 KYA: [[Venus of Dolni Vestonice|Ceramics]] in [[Moravia]]
19: ...iculture#History|Agriculture]] in the [[Fertile Crescent]]
30: * [[Irrigation]] in the [[Fertile Crescent]] - List of inventors (14020 bytes)
11: *[[Archimedes]], (circa 287 BC-212 BC), [[Greece]]
14: ...of Agriculture — instant mashed potato flakes
18: *[[Charles Babbage]], (1791-1871), [[England]] — [[Ana...
22: ...U.S. solar inventor and developer; architectural designer.
24: ...rdeen]], (1908-1991) — co-inventor of the [[transistor]] - Computer (32773 bytes)
3: ...gram|programming]]) a computer can be made to represent some aspect of a problem or part of a system. ...
4: The discipline which studies the theory, design, and application of computers is called '''[[...
6: ==General principles==
8: ...any different technologies, nearly all popular types of computers have electronic components.
12: ...nto the [[binary]] base-two [[numeral system]] (ones and zeros). Next, all operations on that informa... - Electricity (13894 bytes)
1: ...ity]]" and "quantity of charge." There are two types of electricity or charge: we call one kind of ele...
3: ...C". The symbol ''Q'' is used in equations to represent the [[quantity of electricity]] or charge. Fo...
6: ...who found that rubbing [[fur]] on various substances, such as [[amber]], would cause a particular [[at...
8: ...d to be [[battery (electricity)|electrical batteries]].
10: ...apacitor]] for electrical energy in large quantities, was invented at [[Leiden University]] by [[Piete... - Gallium (9500 bytes)
20: | [[Chemical series]]
26: | [[Density]], [[Mohs hardness scale|Hardness]]
34: ...gn="center" bgcolor="#cccccc" | '''Atomic properties'''
60: ...="center" bgcolor="#cccccc" | '''Physical properties'''
72: | 11.80 [[scientific notation|×]]10<sup>-6</sup> [[cubic metre per mole|m<sup>3<... - Germanium (8776 bytes)
20: | [[periodic table series|Series]]
26: | [[Density]], [[Mohs hardness scale|Hardness]]
32: ...gn="center" bgcolor="#cccc99" | '''Atomic properties'''
58: ...="center" bgcolor="#cccc99" | '''Physical properties'''
70: | 13.63 [[scientific notation|×]]10<sup>-6</sup> [[cubic metre per mole|m<sup>3<... - Molybdenum (10247 bytes)
19: | [[Chemical series]]
25: | [[Density]], [[Mohs hardness scale|Hardness]]
31: ...align="center" bgcolor="ffc0c0"|'''Atomic properties'''
57: ...ign="center" bgcolor="ffc0c0"|'''Physical properties'''
69: | 9.38 [[scientific notation|×]]10<sup>-6</sup> [[cubic metre per mole|m<sup>3<... - Nitrogen (10073 bytes)
2: {{Elementbox_series | [[nonmetal]]s }}
4: {{Elementbox_appearance_img | N,7| colorless }}
15: {{Elementbox_vaporpressure_katpa | 37 | 41 | 46 | 53 | 62 | 77 | comment...
18: {{Elementbox_oxistates | ±'''3''', 5, 4, 2<br />(strongly [[acid]...
20: {{Elementbox_ionizationenergies4 | 1402.3 | 2856 | 4578.1 }} - Silicon (13233 bytes)
2: {{Elementbox_series | [[metalloid]]s }}
17: {{Elementbox_vaporpressure_katpa | 1908 | 2102 | 2339 | 2636 | 3021 | 35...
20: {{Elementbox_oxistates | 4<br />([[amphoteric]] oxide) }}
22: {{Elementbox_ionizationenergies4 | 786.5 | 1577.1 | 3231.6 }}
34: {{Elementbox_mohshardness | 6.5 }} - Computer display (4276 bytes)
1: ...ut how many are connected to a computer. Once an essential component of a [[computer terminal]], comp...
3: ==Technologies==
4: ...ision]], several different [[hardware]] technologies exist for displaying the actual image:
11: ...8ױ536) with 32-bit colour and a variety of [[refresh rate]]s.
13: The sharpness of a display is described by its [[dot pitch]]. In general, the lowe... - Inorganic chemistry (2930 bytes)
1: ...istry]]. The distinction between the two disciplines is not absolute and there is much overlap, most i...
3: ==Categories of [[inorganic chemical reaction]]s==
4: There are four categories of inorganic chemical reactions: [[combination re...
6: ==Branches of inorganic chemistry==
7: Major branches of inorganic chemistry include - Tim Berners-Lee (7363 bytes)
2: ...of the [[World Wide Web Consortium]], which oversees its continued development.
6: ...ogic|TTL]] [[logic gate|gates]], an [[M6800]] processor and an old [[television]]. He was also at Oxfo...
8: ...ed at [[D.G. Nash Limited]] where he worked on typesetting software and an operating system.
12: ...acilitate sharing and updating information among researchers. With help from [[Robert Cailliau]] he bu...
14: ...e to create the [[World Wide Web]], for which he designed and built the first browser (called '''[[Wor... - Physics (25628 bytes)
2: ... of contexts, ranging from the sub-nuclear particles from which all ordinary matter is made ([[particl...
4: ...f the underlying molecules, which are accurately described by areas of physics such as [[quantum mecha...
6: ...ping the mathematical structure of physical theories.
8: == Overview of physics research ==
12: ...physicists have been successful in both forms of research <sup id="fn_1_back">[[#fn_1|1]]</sup>.
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