Sunday, November 4, 2007

Quantum Mechanics

Duration: 06:21 minutes
Upload Time: 2007-08-04 14:20:44
User: Acorvettes
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Description:

http://www.myspace.com/acorvettes The Danish physicist Niels Bohr, who worked in Rutherford's lab, was the first to describe orbits of fixed size and energy in which electrons are free to travel without losing energy and falling toward the nucleus. According to this model, published in 1913, electrons can only occupy or jump between fixed energy levels and cannot reside in between these levels. In addition, once in their "ground state," electrons maintain the energy they contain. This energy keeps them in perpetual motion, allowing them to resist the attractive force of the nucleus.

Comments

dajpplanet ::: Favorites
Interesting. Through mere observation we effect an electrons existance. Fascinating
07-11-03 15:35:51
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geodesicks ::: Favorites
you probably didn't understand the last sentence that kaku said then. electrons orbit the nucleus as point-like particles alright, but its "probability of existence" forms a wave-like structure. actually, this "probability of existence" wave refracts with the electric field of the nucleus and this causes it to bend into roughly spherical (but with details on closer inspection) orbits around the nucleus.
07-10-21 18:05:22
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geodesicks ::: Favorites
how do you explain the photoelectric effect then?
07-10-21 18:00:36
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freeomen ::: Favorites
so do waves orbit the nucleus? if i apply voltage, will waves move from one atom to the other.. waves of what? how can you move waves?
07-10-12 14:04:27
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Sergionewyork ::: Favorites
Michio Kaku is my profesor, he is amazing!
07-10-11 18:32:13
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cmj2k6 ::: Favorites
and people gossip about britney spears...
07-10-11 14:57:43
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TheLastKeeper ::: Favorites
Kaku is a leading sting physicist.
07-10-09 13:06:46
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nofx221984 ::: Favorites
=( WTF =(
07-10-07 16:11:53
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oakXXIII ::: Favorites
aquamammal...physics does not dispute theism, it only questions it, which any true theist must do... oak
07-09-07 01:59:30
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oakXXIII ::: Favorites
...panleya is right...particle theory is archaic...kaku is a political hack oak
07-09-07 01:57:30
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