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- Timeline of invention (28171 bytes)
3: ...o a practical form. Where there is ambiguity, the date of the first practical, fielded version of the ...
18: * 8700 BC: [[Metalworking]] ([[copper]] pendant in [[Iraq]])
133: * [[1714]]: [[Mercury thermometer]]: [[Daniel Gabriel Fahrenheit]]
145: ...]: [[Submarine]] [[Turtle (submarine)|Turtle]]: [[David Bushnell]]
182: ...6]]: [[Davy lamp|Miner's safety lamp]]: [[Humphry Davy]] - List of inventors (14020 bytes)
13: *[[William George Armstrong]] — [[hydraulic crane]], Armstrong breech-loading ...
14: ...e [[Canada|Canadian]] Department of Agriculture — instant mashed potato flakes
18: *[[Charles Babbage]], (1791-1871), [[England]] — [[Analytical engine]]
20: ...d]] (1863) - (1944), [[Belgian]]–American — [[plastic]]
21: ...h Baer]] - [[Germany|German]] born [[American]] — [[computer game]] - Capacitor (29664 bytes)
7: ...s stored at the surface of the plates, at the boundary with the dielectric. Because each plate stores...
34: The [[impedance]] in [[frequency domain]] can be written as
38: Applying the [[Laplace transform]], the impedance becomes:
70: ...rief summary to that article ? --[[User:DavidCary|DavidCary]] 22:46, 1 Jun 2005 (UTC) -->
80: ...pacitance and little DC leakage, and very low impedance at low frequencies. However, unlike aluminum e... - Computer mouse (29399 bytes)
21: ... (EPFL) under the inspiration of Professor [[Jean-Daniel Nicoud]] and the hands of [[engineer]] and [[...
24: ... on its underside, paired with a [[light-emitting diode]] to illuminate the surface. Early optical mice,...
39: ...pically draws 25mA to power an [[LED]] or [[laser diode]]. Older optical wireless mice can draw even mor...
58: ...ake use of a "rocker" button instead of a wheel – a pivoting button that can be pressed at the t...
61: ...ess") mice use wireless communication to transmit data via [[infrared]], [[radio]] or [[Bluetooth]]. - Modem (21628 bytes)
1: ...y and decoded to reproduce the original digital [[data]].
5: ...nications|repeating frames of data]] at very high data rates over [[microwave]] radio links. Some mic...
7: ...ital data streams. Optical modems routinely have data rates in excess of a billion (1x10^9) bits per ...
9: ...ans of transmitting analog signals, from driven [[diode]]s to [[radio]].
12: ...puter system)|Sabre]], is the distant parent of today's SABRE system. - Antimony (9093 bytes)
1: <!-- Here is a table of data; skip past it to edit the text. -->
7: ...align="center" | [[tin]] – '''antimony''' – [[tellurium]]
12: <div align="right"><small>[[Periodic table (standard)|Full table]]</small></div>
40: | [[van der Waals radius]] || no data
48: | [[Oxidation state]]s ([[Oxide]]) || ?3, 5 (mildly [[acid]... - Arsenic (12497 bytes)
1: <!-- Here is a table of data; skip past it to edit the text. -->
7: ...="center" | [[germanium]] – '''arsenic''' – [[selenium]]
12: <div align="right"><small>[[Periodic table (standard)|Full table]]</small></div>
47: | [[Oxidation state]]s ([[Oxide]]) || '''+-3''',5 (mildly [...
102: ! [[natural abundance|NA]] - Gallium (9500 bytes)
1: <!-- Here is a table of data; skip past it to edit the text. -->
7: ...align="center" | [[zinc]] – '''gallium''' – [[germanium]]
12: <div align="right"><small>[[Periodic table (standard)|Full table]]</small></div>
54: | [[Oxidation state]]s ([[Oxide]])
118: ! [[natural abundance|NA]] - Germanium (8776 bytes)
1: <!-- Here is a table of data; skip past it to edit the text. -->
7: ...="center" | [[gallium]] – '''germanium''' – [[arsenic]]
12: <div align="right"><small>[[Periodic table (standard)|Full table]]</small></div>
44: | no data
52: | [[Oxidation state]]s ([[Oxide]]) - Nitrogen (10073 bytes)
26: {{Elementbox_magnetic | no data }}
42: ...f [[electronic]] parts such as [[transistor]]s, [[diode]]s, and [[integrated circuit]]s, and is used in t...
53: ... formally considered to have been discovered by [[Daniel Rutherford]] in 1772, who called it ''noxious...
63: ... now been detected in [[interstellar space]] by [[David Knauth]] and coworkers using the [[Far Ultravi...
70: The more standard oxides, [[dinitrogen trioxide]] (N<sub>2</sub>O... - Rubidium (10211 bytes)
1: <!-- Here is a table of data; skip past it to edit the text. -->
5: | colspan="2" align="center" | '''rubidium''' – [[strontium]]
9: ...r><div align="right"><small>[[Periodic table (standard)|Full table]]</small></div>
49: | [[Oxidation state]]s ([[Oxide]])
130: ! [[natural abundance|NA]] - Solar cell (27643 bytes)
1: ...ice consisting of a large-area [[p-n junction]] [[diode]], which, in the presence of [[sunlight]] is capa...
19: ...put. Ideally, near the equator at noon on a clear day, the solar radiation is approximately 1000 W/m&s...
68: ...ich is set up across the p-n junction creates a [[diode]], allowing [[current]] to flow in only one direc...
83: ...e modelled by a current source in parallel with a diode. In practice no solar cell is ideal, so a shunt r...
89: ...ost large-scale commercial solar cell factories today make screen printed poly-crystalline silicon sol...
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