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In physics, a quantum (plural: quanta) refers to an indivisible and perhaps elementary entity. For instance, a "light quantum", being a unit of light (that is, a photon). In combinations like "quantum mechanics", "quantum optics", etc., it distinguishes a more specialized field of study.
The word comes from the Latin "quantus", for "how much".
Behind this, one finds the fundamental notion that a physical property may be "quantized", referred to as "quantization". This means that the magnitude can take on only certain numerical values, rather than any value, at least within a range. For example, the energy of an electron bound to an atom (at rest) is quantized. This accounts for the stability of atoms, and matter in general.
More on [ Quantum ]
I favorited a YouTube video -- The Quantum Apocalypse - napisy PL http://youtu.be/kiTseJqNE0c?a
mechanesthesia (Kesley De Miranda) Fri, 25 Dec 2009 09:28:58 -0000
I favorited a YouTube video -- The Quantum Apocalypse - napisy PL http://youtu.be/kiTseJqNE0c?a
NOW PLAYING: Johnny Mathis - A Certain Smile http://www.quantum-radio.net
rachalmers (Shanghai Bob) Fri, 25 Dec 2009 09:27:35 -0000
NOW PLAYING: Johnny Mathis - A Certain Smile http://www.quantum-radio.net
#2010 ll be quantum year
burcuyildiz (Burcu YILDIZ) Fri, 25 Dec 2009 09:26:40 -0000
#2010 ll be quantum year
@FourP87 Assassin's Creed II & Dante's Inferno & Darksiders &Quantum Theory & Resistance1 &2 i juss pull those up bro
cobybaby323 (cobybaby) Fri, 25 Dec 2009 09:24:48 -0000
@FourP87 Assassin's Creed II & Dante's Inferno & Darksiders &Quantum Theory & Resistance1 &2 i juss pull those up bro
NOW PLAYING: Frankie Valley and The Four Seasons - Oh, What a Night (Disco Mix) http://www.quantum-radio.net
rachalmers (Shanghai Bob) Fri, 25 Dec 2009 09:19:38 -0000
NOW PLAYING: Frankie Valley and The Four Seasons - Oh, What a Night (Disco Mix) http://www.quantum-radio.net
RT @karode: RT @Lionnesss: We'll have to call it early quantum state phenomenon. Only way to fit 5000 toys on the same sleigh." #firefly ...
verseandy (verseandy) Fri, 25 Dec 2009 09:10:14 -0000
RT @karode: RT @Lionnesss: We'll have to call it early quantum state phenomenon. Only way to fit 5000 toys on the same sleigh." #firefly ...
Quantum - Series overview and archive of topics covered.
Meta Description: [ US researchers are developing a computerised steady-scalpel that can remove all unwanted movements so patients can always be operated on by a completely steady hand An earth scientist at Latrobe Univ ]
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