Search results
|
|
No page with that title exists You can create an article with this title or put up a request for it. Please search Wikipedia before creating an article to avoid duplicating an existing one, which may have a different name or spelling.
Showing below 13 results starting with #1.
View (previous 20) (next 20) (20 | 50 | 100 | 250 | 500).
No article title matches
Page text matches
- Timeline of invention (28171 bytes)
6: * 2.4 MYA: [[Oldowan|Stone tools]] in [[Africa]]
8: ...YA: Controlled [[fire]] in [[Cradle of Humankind|Africa]]
26: * [[Cloth]] woven from [[flax]] fiber
112: * [[1589]]: [[Stocking frame]]: [[William Lee]]
134: ...quadrant]]: [[Thomas Godfrey (inventor)|Thomas Godfrey]] - List of inventors (14020 bytes)
12: *[[Manfred von Ardenne]], (1907-1997), [[Germany]]
24: ...rdeen]], (1908-1991) — co-inventor of the [[transistor]]
37: ... Brattain]], (born 1902), US co-inventor of the [[transistor]]
53: *[[Jacques-Yves Cousteau|Jacques Cousteau]], [[France]] — [[Aqua-Lung|aqualung]]
56: ...illiam Cullen]] — mechanical / chemical [[refrigeration]] - Computer (32773 bytes)
3: ...erical]] or [[logic]]al terms. Computers are made from [[digital circuit|components]] that perform sim...
24: ...logue]], [[digital]] and [[electronic]]. However, from the context of the citation, it is obvious thes...
39: *[[Mainframe|Mainframe computer]]
51: ...uter development means new uses for computers are frequently found and current definitions quickly bec...
54: ...d [[1960s]] valves were gradually replaced with [[transistor]]s and in the late [[1960s]] and early [[1970s]] ... - Electricity (13894 bytes)
6: ...eek]] ''ēlektron'' = "[[amber]]", which came from an old [[root (linguistics)|root]] ''ēlek-...
10: ..., and coined the modern Latin word ''electricus'' from ''ηλεκτρ&omicr...
12: ...[[Ebenezer Kinnersley]] of [[Philadelphia]] (less frequently) who created the convention of positive a...
16: Franklin's observations aided later scientists such ...
29: ...sometimes gain a measure of economic independence from the electrical utilities. - Gallium (9500 bytes)
138: ... color and its solid metal fractures [[Conchoidal fracture|conchoid]]ally like [[glass]]. Gallium meta...
153: ...nductor]]s and produce solid-state devices like [[transistor]]s.
155: ...loy, with the trade name ''[[Galinstan]]'', has a freezing point of −20 ?C.
160: .... He named the element after his native land of [[France]] and, in one of those multilingual puns so b...
163: ...serves of bauxite and zinc ores. Some flue dusts from burning coal have been shown to contain as much... - Germanium (8776 bytes)
162: ...an important [[semiconductor]] material used in [[transistor]]s.
194: ...ium in [[fiber optics]] communication networks, infrared [[night vision]] systems, and polymerization ...
197: ...ectors. Its oxide's [[refractive index|index of refraction]] and dispersion properties make germanium ...
199: ...he distinctive character of [[Fuzzbox|fuzzboxes]] from the early [[Rock and roll]] era.
213: ...rcially from zinc ore processing smelter dust and from the [[combustion]] by-products of certain coals... - Molybdenum (10247 bytes)
175: ...ns, as the conductive metal layers in [[thin-film transistor]]s (TFTs).
178: ... until the late [[19th century]]. Subsequently, a French company, [[Schneider and Co]], tried molybden...
181: ...opper]] mining. Molybdenum is present in [[ore]]s from 0.01% to about 0.5%. About half of the world's ...
183: ... pure molybdenum in a [[pyroxene]] fragment taken from [[Mare Crisium]] on the [[Moon]].
192: ...emical industry, but to date, no instance of harm from this exposure has been reported. Though water-s... - Nitrogen (10073 bytes)
39: ...phere. It [[condensation|condenses]] at 77 K and freezes at 63 K. Liquid nitrogen is a common [[cryo...
42: ...ring production of [[electronic]] parts such as [[transistor]]s, [[diode]]s, and [[integrated circuit]]s, and ...
44: ... Liquid nitrogen is produced by [[distillation]] from [[liquid air]].
53: ...air'' or ''phlogisticated air''. That there was a fraction of air that did not support [[combustion]] ...
60: ...t) and is acquired for industrial purposes by the fractional [[distillation]] of liquid air or by mech... - Silicon (13233 bytes)
47: ...-efficient of [[resistance]], since the number of free charge carriers increases with temperature.
50: ...] and [[animal]] life. [[Diatom]]s extract silica from water to build their protective cell walls. Oth...
51: ...[Pottery]]/[[Vitreous enamel|Enamel]] - It is a refractory material used in high-temperature material ...
54: *[[Glass]] - Silica from sand is a principal component of glass. Glass c...
56: ...urrent carriers. Such control is necessary for [[transistor]]s, [[solar cell]]s and other [[semiconductor dev... - Computer display (4276 bytes)
11: ...048ױ536) with 32-bit colour and a variety of [[refresh rate]]s.
20: ... and blue inputs are compatible with [[Transistor-transistor logic|TTL]] logic chips.
24: ...by [[Microsoft]] ([[ClearType]], [[1998]]) and [[XFree86]] ([[X Rendering Extension]]).
26: ...delay causes an apparent corresponding shift of a fraction of a [[pixel]].
45: * [[Refresh rate]] - Inorganic chemistry (2930 bytes)
13: ...ude [[Semiconductor|silicon chips]], [[transistor|transistors]], [[Liquid crystal display|LCD]] screens, [[fib... - Tim Berners-Lee (7363 bytes)
1: [[Image:Berners-Lee.jpg|frame|right|Sir Tim Berners-Lee]]
6: ...hacking with a friend and was subsequently banned from using the university computer.
12: ...updating information among researchers. With help from [[Robert Cailliau]] he built a prototype system...
18: ... later maintained a list of other web sites apart from his own.
24: ...ch shows Berners-Lee's first goal to maintain the freedom of the Web. - Physics (25628 bytes)
2: ... contexts, ranging from the sub-nuclear particles from which all ordinary matter is made ([[particle p...
12: The culture of physics research differs from the other sciences in the separation of [[theor...
15: ...mulation of new theories. Likewise, ideas arising from theory often inspire new experiments. In the ab...
34: | [[Boltzmann's constant]], [[Entropy]], [[Free energy]], [[Heat]], [[Partition function (stati...
42: ...lence principle]], [[Four-momentum]], [[Reference frame]], [[Spacetime]], [[Speed of light]]
View (previous 20) (next 20) (20 | 50 | 100 | 250 | 500).