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- Sally Ride (1826 bytes)
5: ...cs]], [[general relativity]], and [[free-electron laser physics]]. She later became the first American wo... - Engraving (3556 bytes)
28: * [[Laser engraving]] - Glass (26176 bytes)
1: ...was originally, which can be seen in its [[conchoidal]] fracture.
5: ... will be concerned with a specific type of glass—the [[silica]]-based glasses in common use as a...
20: ...s is due to the addition of compounds such as [[soda ash]] (sodium carbonate).
22: ...iber_amplifier|amplify]] transmitted signals by [[laser]] emission from within the glass itself.
30: ...he melting point to about 1000 ?C. However, the soda makes the glass water-soluble, which is obviously... - Printing (4400 bytes)
6: [[Book]]s are usually printed today using the technique of [[offset printing]], and ...
11: ...d using the more sophisticated [[block printing]] dates from 868 AD (The ''[[Diamond Sutra]]'' of AD [...
15: ...an imported press in Mexico City, Mexico. Stephen Day built the first printing press in North America ...
21: A [[document]] can also be printed by a [[laser printer]], [[Inkjet printer|inkjet]], or other [[...
39: * [[Adam d'Ambergau]] - 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 sports (7304 bytes)
126: * [[Dance sport]]
253: * [[Darts (sport)|Darts]]
259: * [[Laser Tag]]
287: * [[Danball]] - Tree (23723 bytes)
3: ...gh at maturity and, more importantly, having secondary branches supported on a single main stem or tru...
11: ...he [[Cretaceous]] Period. Most species of trees today are [[flowering plant]]s and conifers. The listi...
20: ...ted to determine the age of the tree, and used to date cores or even wood taken from trees in the past...
30: ... exaggeration. Modern verified measurement with [[laser]] rangefinders combined with tape drop measuremen...
31: ...k.uni-bonn.de/conifers/cu/se/index.htm Gymnosperm Database]) - 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]] - Microscope (8708 bytes)
3: ...of microscope—and the first to be invented—is the '''optical microscope'''. This is an [[o...
8: A '''simple microscope''', as opposed to a standard compound microscope (see below) with multiple l...
11: ...m—as used by [[Robert Hooke]], for example—the compound microscope would have a single gla...
34: ...ethods|contrast methods]]).'' Typically, on a standard compound optical microscope, there are three ob...
54: ...he Huygens ocular is still being produced to this day, but suffers from a small field size, and the ey... - Apple Macintosh (24250 bytes)
7: ...ern and more secure [[Unix]]-based successor (AKA Darwin, a modern OS based on Mach 3.0 and 4.4 BSD), ...
17: * The 3.5" hard-shelled [[floppy disk]] as a standard feature.
18: * [[Audio]] as a standard feature, including a built-in audio-quality spe...
24: * The [[PostScript]] [[laser printer]]
28: * Audio input/output as a standard feature ([[Macintosh IIsi|Mac IIsi]] & [[Macint... - Pinhole camera (6994 bytes)
10: .... Industrially produced pinholes have access to [[Laser]] etching, but a hobbiest can still produce pinho...
15: ...ed upon by [[Lord Rayleigh]] into the form used today:
17: <math>d=1.9\sqrt{f.\lambda}</math>
19: ...ce from hole to photographic film) and <math>\lambda</math> is the wavelength of light.
21: For standard black and white film, a wavelength of light cor... - March 22 (9294 bytes)
1: ...lendar]] (82nd in [[Leap year]]s). There are 284 days remaining.
3: {{MarchCalendar}}
18: *[[1941]] - [[Washington]]'s [[Grand Coulee Dam]] begins to generate [[electricity]].
23: ...les Townes]] receive the first [[patent]] for a [[laser]].
26: ...]] nuclear reactor in [[Decatur, Alabama]] causes dangerous lowering of cooling water levels. - Atlanta, Georgia (39442 bytes)
16: |timezone=[[Eastern Standard Time Zone|Eastern]]: [[UTC]]-5
33: ...ed and suggested that the city be named after his daughter, Martha, instead. Therefore, starting in [...
36: ...ngs and possible union assets destroyed. The next day, mayor [[James Calhoun]] surrendered the city, a...
45: ...rom the national media and from presidential candidate [[John F. Kennedy]]. Despite this incident, Atl...
53: ...A]]s, Atlanta is the third-highest in elevation — behind slightly higher [[Phoenix, Arizona|Phoe... - Computer mouse (29399 bytes)
21: ... (EPFL) under the inspiration of Professor [[Jean-Daniel Nicoud]] and the hands of [[engineer]] and [[...
39: ...use typically draws 25mA to power an [[LED]] or [[laser diode]]. Older optical wireless mice can draw ev...
43: ====Laser mice====
44: ...h its MX 1000 model. This mouse utilizes a small laser instead of the normal LED found in other optical ...
58: ...ake use of a "rocker" button instead of a wheel – a pivoting button that can be pressed at the t... - Cornea (4779 bytes)
15: ...long with (few) [[fibroblast]]s. If the stroma is damaged, for example by injury or infection, it can ...
19: ...um''': a simple [[squamous]] or low [[cuboid|cuboidal]] epithelium, an inner lining acting as a barrie...
25: ...sed today, parts of the cornea are removed with [[laser]]s. - 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]] - Dysprosium (8843 bytes)
1: <!-- Here is a table of data; skip past it to edit the text. -->
5: ..."center" | [[Terbium]] – '''Dysprosium''' – [[Holmium]]
10: <div align="right"><small>[[Periodic table (standard)|Full table]]</small></div>
25: ...[[kilogram per cubic metre|kg/m<sup>3</sup>]], no data
39: | no data - Europium (8579 bytes)
1: <!-- Here is a table of data; skip past it to edit the text. -->
5: ...="center" | [[Samarium]] – '''Europium''' – [[Gadolinium]]
10: <div align="right"><small>[[Periodic table (standard)|Full table]]</small></div>
25: ...[[kilogram per cubic metre|kg/m<sup>3</sup>]], no data
39: | no data - 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]] - Hafnium (9162 bytes)
1: <!--Here is a table of data; skip past it to edit the text.-->
9: ...r><div align="right"><small>[[Periodic table (standard)|Full table]]</small></div>
41: | no data
49: | [[Oxidation state]] ([[Oxide]])
106: ! [[natural abundance|NA]]
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