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- Venus (planet) (31010 bytes)
1: ...' [[planetary orbit|orbits]] are [[ellipse|elliptical]], Venus's orbit is the closest to [[circle|circ...
3: ...e, making it one of only two heavenly bodies that can be seen both day and night (the other being the ...
5: ...]n civilization (the Mayans developed a religious calendar based on Venus's motion) and must have been...
7: ...'[[Wiktionary:Venereal|Venereal]]'', is avoided because of its modern association with [[sexually tran...
11: == Physical characteristics == - Apple Macintosh (24250 bytes)
2: ...tured by [[Apple Computer]], Inc. of [[Cupertino, California]], [[USA]].
4: ...evolutionary event in computing, as the Macintosh came out in a time when most computers used [[operat...
7: ...led the System Software or "System", officially became known as the Macintosh Operating System ([[Mac ...
12: ...s, a [[desktop]], etc. This metaphor is sometimes called the WIMP model for '''W'''indows, '''I'''cons...
20: ...of a program's code from its resources to allow localization, etc. - Wavelength (2857 bytes)
23: ...ula: wavelength (in metres) = 300 / frequency (in megahertz).
34: ... mechanics|quantum mechanical]] [[wavefunction]], called the [[de Broglie wavelength]].
46: ...ion: Wavelength to frequency and vice versa - The calculator] - Radar (16746 bytes)
3: ...radio signals can easily be detected and [[amplification|amplified]].
5: Radar radio waves can be easily generated at any desired strength, det...
11: ... object in [[air]] or [[vacuum]], or other significant changes in [[atomic density]] between object an...
13: ...rter [[wavelength]]s (a few [[centimetre]]s) that can image objects as small as a loaf of bread.
15: ...ays reflect directly back at the source. These so-called [[corner reflector|corner cube]]s are commonl... - Global Positioning System (28209 bytes)
5: ...p;system]] used for determining one's precise [[location]] and providing a highly accurate [[time tran...
7: ...y the [[United States Department of Defense]] and can be used by anyone, free of charge.
11: ...eceivers used for both military and civilian applications.
12: ...signal transmissions from multiple satellites and calculates its position by [[trilateration]].
16: == Technical description ==
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