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  1. Sally Ride (1826 bytes)
    5: ...cs]], [[general relativity]], and [[free-electron laser physics]]. She later became the first American wo...
  2. Engraving (3556 bytes)
    15: ...esign is desired and a limited color range is acceptable.
    28: * [[Laser engraving]]
  3. Glass (26176 bytes)
    9: ... its pure form, '''glass''' is a [[transparency (optics)|transparent]], relatively [[strength of mater...
    22: ...iber_amplifier|amplify]] transmitted signals by [[laser]] emission from within the glass itself.
    42: ...e]]. The first documented glass making is in [[Egypt]] around [[1500 BC]], when glass was first used a...
    59: ...ther fields, [[flask]]s, [[test tube]]s, [[Lens (optics)|lenses]] and other laboratory equipment are o...
    60: ...ool)|flint knapping]] techniques can easily be adapted to mass-produced glass.
  4. Printing (4400 bytes)
    11: ...[[Diamond Sutra]]'' of AD [[868]], a Buddhist scripture). The [[movable type]] printer was invented by...
    21: A [[document]] can also be printed by a [[laser printer]], [[Inkjet printer|inkjet]], or other [[...
    63: * [[PostScript]]
  5. Timeline of invention (28171 bytes)
    35: ... BC: [[Plywood]] in [[History of ancient Egypt|Egypt]]
    36: * 3500 BC: [[Cuneiform script|Writing]] in [[Sumer]]
    40: * [[Cement]] in [[History of ancient Egypt|Egypt]]
    41: ... River [[boat]]s in [[History of ancient Egypt|Egypt]]
    51: * [[Alphabet]] in [[History of ancient Egypt|Egypt]]
  6. List of sports (7304 bytes)
    259: * [[Laser Tag]]
  7. Tree (23723 bytes)
    22: .... In many trees, the arrangement of the branches optimizes exposure of the leaves to sunlight.
    30: ...tasy or outright fraud. The following are now accepted as the top five tallest reliably measured speci...
    35: ...alyptus regnans|Australian Mountain-ash]] ''Eucalyptus regnans'': '''92.0 m''', Styx Valley, [[Tasmani...
    53: ... trees, and generally only for the trunk. No attempt has ever been made to include [[root]] volume.
    72: Other species suspected of reaching exceptional age include [[Yew|European Yew]] ''Taxus bac...
  8. List of inventors (14020 bytes)
    97: *[[Gordon Gould]] — [[laser]]
    211: ...provided an influential formalisation of the concept of [[algorithm]] and computation: the [[Turing ma...
    242: ...–1995) was the inventor of the Bell [[helicopter]]
  9. Microscope (8708 bytes)
    3: ...ment|instrument]] containing one or more [[Lens (optics)|lenses]] that produce an enlarged image of an...
    7: ==Simple optical microscope==
    8: ...consisted of a single, small, [[convex]] [[lens (optics)|lens]] mounted on a plate with a mechanism to...
    10: ==Compound optical microscope==
    11: ...nt lenses are designed to reduce [[Aberration in optical systems|aberrations]], particularly [[chromat...
  10. Apple Macintosh (24250 bytes)
    9: ...roduced or popularized a number of innovations adopted later by other PCs and operating systems. ...
    24: * The [[PostScript]] [[laser printer]]
    26: ...programmability through [[HyperCard]], [[AppleScript]] and Automator (Introduced in Mac OS X 10.4 Tige...
    32: * First laptop with keyboard behind a palmrest ([[PowerBook]] ...
    33: * First laptop with built-in pointing device ([[PowerBook]] 10...
  11. Pinhole camera (6994 bytes)
    10: .... Industrially produced pinholes have access to [[Laser]] etching, but a hobbiest can still produce pinho...
    14: ...ating the optimal pinhole diameter was first attempted by [[Josef Petzval]].
    21: ...en (<math>550nm=0.00000055m</math>) should yield optimum results.
    23: ...[aperture]] to the [[film plane]], the infinite depth of field means everything is either in or out of...
  12. March 22 (9294 bytes)
    20: ...nded when a charter is adopted in [[Cairo]], [[Egypt]].
    23: ...les Townes]] receive the first [[patent]] for a [[laser]].
    96: *[[1687]] - [[Jean Baptiste Lully]], French [[composer]] (b. [[1632]])
  13. Atlanta, Georgia (39442 bytes)
    36: ...plea by Father Thomas O'Reilly of Immaculate Conception Catholic Church, Sherman did not burn the city...
    43: ...t Atlanta. With the city government nearing bankruptcy, [[The Coca-Cola Company]] had to help bail out...
    68: ...ected since [[1973]] has been black; the uninterrupted string of black mayors in excess of thirty year...
    141: ...ll Jackson]]. It is also the site of impressive [[laser]] shows in the [[summer]].
    205: ...]], a 1.5 mile (2.4 km) NASCAR race track in [[Hampton, Georgia]].
  14. Computer mouse (29399 bytes)
    1: ...grip the ball and transfer movement.<br>'''3:''' Optical encoding disks include light holes.<br>'''4:'...
    23: ===Optical mice===
    24: ...advance paved the way for widespread adoption of optical mice.
    26: ... For example, the Agilent Technologies ADNS-2610 optical mouse sensor will process 1512 frames per sec...
    28: Demand for advances in optical mouse technology comes in large part from com...
  15. Cornea (4779 bytes)
    1: ...light and consequently helps the eye to [[focus (optics)|focus]]. The cornea gives a larger contribut...
    25: ...sed today, parts of the cornea are removed with [[laser]]s.
    38: * [[visual perception]]
  16. Arsenic (12497 bytes)
    111: | [[electron capture|&epsilon;]]<br />
    138: ...ndard temperature and pressure|STP]] are used except where noted.</font>
    156: ...it is [[direct bandgap]], and so can be used in [[laser diode]]s and [[LED]]s to directly convert [[elect...
    161: ...ia]] and elsewhere since ancient times. As the symptoms of [[arsenic poisoning]] were somewhat ill-def...
    184: ...y potent poisons. Arsenic kills by massively disrupting the [[digestive system]], leading to death fro...
  17. Dysprosium (8843 bytes)
    155: ...ndard temperature and pressure|STP]] are used except where noted.</font>
    163: ...er]] materials; its high [[thermal neutron]] absorption cross-section and melting point also suggest u...
    195: ... abundant stable isotope, 164-Dy, is [[electron capture]], and the primary mode after is [[beta minus ...
  18. Europium (8579 bytes)
    122: | [[electron capture|&epsilon;]]
    146: ...ndard temperature and pressure|STP]] are used except where noted.</font>
    151: ... with water. Like other rare earths (with the exception of [[lanthanum]]), europium ignites in air at ...
    154: ...een used to dope some types of plastics to make [[laser]]s. Due to its ability to absorb neutrons, it is ...
    194: ... abundant stable isotope, 153-Eu, is [[electron capture]], and the primary mode after is [[beta minus ...
  19. Gallium (9500 bytes)
    133: ...ndard temperature and pressure|STP]] are used except where noted.</font>
    150: ...allium, with [[optoelectronic]] devices (mostly [[laser diode]]s and light-emitting diodes) as the second...
    154: ...m]]s, but such compounds have yet to see wide acceptance. Gallium added in quantities up to 2% in com...
  20. Hafnium (9162 bytes)
    115: | [[electron capture|&epsilon;]]
    154: ...ndard temperature and pressure|STP]] are used except where noted.</font>
    164: ...tudied as a possible power source for gamma ray [[laser]]s.
    167: ...rconium), excellent mechanical properties and exceptional corrosion-resistance properties. Other uses:

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