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  1. Sally Ride (1826 bytes)
    1: ...3]]) and [[Svetlana Savitskaya]] ([[1982]]), both from the former [[Soviet Union]].
    5: ...cs]], [[general relativity]], and [[free-electron laser physics]]. She later became the first American wo...
  2. Engraving (3556 bytes)
    28: * [[Laser engraving]]
  3. Glass (26176 bytes)
    1: ...iginally, which can be seen in its [[conchoidal]] fracture.
    3: The word ''glass'' comes from [[Latin]] ''glacies'' (ice) and corresponds to ...
    18: ...nto other shapes and colors as shown in this ball from the [[Verrerie of Brehat]] in [[Brittany]].]]
    22: ...plify]] transmitted signals by [[laser]] emission from within the glass itself.
    26: Glass is sometimes created naturally from volcanic [[magma]]. This glass is called [[obs...
  4. Printing (4400 bytes)
    11: ...g the more sophisticated [[block printing]] dates from 868 AD (The ''[[Diamond Sutra]]'' of AD [[868]]...
    13: ... developed the use of raised and movable type and from the start used oil based inks.
    18: ...nhope]], [[George E. Clymer|George E. Clymer]], [[Friedrich Koenig|Koenig]] and others introduced new ...
    21: A [[document]] can also be printed by a [[laser printer]], [[Inkjet printer|inkjet]], or other [[...
    46: * [[Francysk Skaryna]], first [[Belarus]]ian printer
  5. 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]]
  6. List of sports (7304 bytes)
    209: * [[Freestyle skiing]]
    222: * [[Freestyle snowboarding]]
    259: * [[Laser Tag]]
    321: * [[Ultimate frisbee]]
  7. Tree (23723 bytes)
    20: ...e tree, and used to date cores or even wood taken from trees in the past; this practice is known as th...
    22: ...biomass and absorbing [[water]] and [[nutrients]] from the [[soil]]. Above ground, the trunk gives hei...
    30: ...ly disregarded as unreliable, fantasy or outright fraud. The following are now accepted as the top fiv...
    41: ...l. Some past exaggerated measurements also result from measuring the complete next-to-bark measurement...
    63: ... taken from the edge to the centre of the tree or from entire cross-sections. Accurate determination i...
  8. List of inventors (14020 bytes)
    12: *[[Manfred von Ardenne]], (1907-1997), [[Germany]]
    53: *[[Jacques-Yves Cousteau|Jacques Cousteau]], [[France]] — [[Aqua-Lung|aqualung]]
    56: ...illiam Cullen]] — mechanical / chemical [[refrigeration]]
    87: *[[Benjamin Franklin]], (1706-1790), [[United States|USA]] &mdas...
    88: *[[William Friese-Greene]], (1855-1921) — [[cinematograph...
  9. Microscope (8708 bytes)
    16: [[image:Microscope.png|frame|none|Basic microscope main elements]]
    29: [[Image:Microscope diagram.png|right|frame|Common optical microscope and its principal pa...
    34: ...ns, they utilize light passing through the sample from below and special techniques are usually necess...
    36: ...roscope is used, where the light is ''reflected'' from the examined surface.  The light is fed th...
    39: ...'dissecting microscope''' is designed differently from the diagrams above, and serves a different purp...
  10. Apple Macintosh (24250 bytes)
    1: [[Image:MacOKXTigerCover.jpg|Mac OS X Tiger front cover|thumb|260px|[[Mac OS X v10.4]], "Tiger"]...
    4: ...ed after the [[McIntosh]], a variety of [[apple]] fruit favored by [[Jef Raskin]]. The original 128k M...
    9: From its inception, the Macintosh has introduced or ...
    20: * Separation of a program's code from its resources to allow localization, etc.
    24: * The [[PostScript]] [[laser printer]]
  11. Pinhole camera (6994 bytes)
    2: ... small aperture; typical exposure times can range from 5 seconds to more than an hour.
    8: ...small hole, however, can produce significant [[diffraction]] effects which will result in a less cle...
    10: .... Industrially produced pinholes have access to [[Laser]] etching, but a hobbiest can still produce pinho...
    12: ... a sheet of [[brass]] [[shim]] or metal reclaimed from an aluminium drinks can, use fine sand paper to...
    19: Where d is diameter, f is focus length (distance from hole to photographic film) and <math>\lambda</m...
  12. March 22 (9294 bytes)
    9: *[[1638]] - [[Anne Hutchinson]] is expelled from [[Massachusetts Bay Colony]] for religious diss...
    10: ...Act 1765|Stamp Act]], the first direct tax levied from [[England]] on the American colonies.
    12: ... first governor of a [[U.S. state]] to be removed from office by [[impeachment]].
    16: *[[1933]] - President [[Franklin Delano Roosevelt]] signs into law a bill le...
    17: ...] - [[World War II]]: [[Germany]] takes [[Memel]] from [[Lithuania]].
  13. Atlanta, Georgia (39442 bytes)
    28: ...ch has come to delineate the interior of the city from the surrounding suburbs. This has given rise to...
    33: ...stern & Atlantic Railroad]], for lines connecting from [[Birmingham, Alabama|Birmingham]], [[Chattanoo...
    38: ... of the economy away from agriculture and a shift from the "Old South" attitudes of slavery and rebell...
    41: ... commuted in 1915, riots broke out in Atlanta and Frank was [[lynching|lynched]].
    43: ...ters for Disease Control]] was founded in Atlanta from the old Malaria Control in War Areas offices an...
  14. Computer mouse (29399 bytes)
    1: ...encoding disks include light holes.<br>'''4:''' Infrared LEDs shine through the disks.<br>
    9: [[Image:firstmouseunderside.jpg|frame|The first computer mouse held by inventor [[Do...
    11: ...with spring by ''Opocentsky'', 10/76, [http://www.freepatentsonline.com/3987685.html 3987685].]]
    26: ... sensor will process 1512 frames per second: each frame is a rectangular array of 18*18 [[pixels]], an...
    28: ...s in optical mouse technology comes in large part from competitive [[first-person shooter|FPS]] gamers...
  15. Cornea (4779 bytes)
    1: ...cornea gives a larger contribution to the total refraction than the lens, but whereas the [[curvature]...
    3: ...essel]]s; it receives nutrients via [[diffusion]] from the tear fluid at the outside and the [[aqueous...
    9: ...nea consists of five layers. Here they are listed from the outside to the inside:
    19: ... a very different origin, function and appearance from [[endothelium|vascular endothelia]].)
    25: ...sed today, parts of the cornea are removed with [[laser]]s.
  16. Arsenic (12497 bytes)
    146: ...nto the [[20th century]], as a [[pesticide]] on [[fruit tree]]s (resulting in neurological damage to t...
    148: ... ingestion - directly or indirectly - of wood ash from CCA timber (the lethal human dose is approximat...
    156: ...it is [[direct bandgap]], and so can be used in [[laser diode]]s and [[LED]]s to directly convert [[elect...
    161: ...nic poisoning]] were somewhat ill-defined, it was frequently used for [[murder]] until the advent of t...
    172: ...groundwater is of natural origin, and is released from the sediment into the groundwater due to the an...
  17. Dysprosium (8843 bytes)
    163: ...]] [[chalcogen|chalcogenide]]s are sources of [[infrared]] radiation for studying chemical reactions; ...
    166: ... in the [[1950s]]. The name dysprosium is derived from [[Greece|Greek]] ''dysprositos'', "hard to get ...
    169: Dysprosium is never encountered as the free element, but is found in many [[mineral]]s, inc...
  18. Europium (8579 bytes)
    154: ...een used to dope some types of plastics to make [[laser]]s. Due to its ability to absorb neutrons, it is ...
    157: ...ery of europium is generally credited to [[France|French]] [[chemist]] [[Eug讥-Antole Demar硹]], who...
    162: Europium is never found in nature as the free element; however, there are many minerals conta...
  19. Gallium (9500 bytes)
    138: ... color and its solid metal fractures [[Conchoidal fracture|conchoid]]ally like [[glass]]. Gallium meta...
    150: ...allium, with [[optoelectronic]] devices (mostly [[laser diode]]s and light-emitting diodes) as the second...
    155: ...loy, with the trade name ''[[Galinstan]]'', has a freezing point of &minus;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...
  20. Hafnium (9162 bytes)
    162: ... compound known and hafnium nitride is the most refractory of all known metal nitrides with a [[meltin...
    164: ...tudied as a possible power source for gamma ray [[laser]]s.
    179: It was separated from zirconium through repeated recrystallization of...
    182: ...l [[zirconium]] compounds but does not exist as a free element in nature. [[Mineral]]s that contain zi...

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