The Wave/Particle Duality - Part 2YouTube↗  IA↗(long shot)
Science & Technology  1.2M views 7K likes 138 dislikes   16 Jul 2011
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Contributed subtitles
Persian Fatimah Ahmadi
Chinese (China) Boyu Cao
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A l'anterior video, introduí la idea les coses realment petites a vegades actuen com a ones,
in the last video I introduced the idea that really small things act sometimes
i a vegades com a partícules.
like waves and sometimes like particles
Doncs com podem visualitzar la dualitat partícula-ona de, diguem, un electró?
so how can we actually picture this wave particle duality of say an electron well
Bé, imaginat que l'electró és una brossa de pols en una gota d'aigua. Sabem prou bé on
imagine our electron is a speck of dust in a raindrop we know pretty well where
és la brossa, al principi. Però quan la gota toqui el terra, es propagarà com una ona
the speck is at first but when the drop hits the ground it'll spread out like a wave and the
i la brossa estarà per algun lloc d'aquella ona. La ona dirigeix la brossa
speck of dust will be somewhere in that wave so the speck our electron is guided
(l'electró) - però segueix havent-hi una sola brossa, i si la busques, només
by the wave but there's still only one speck and if you actually look for it
la trobaràs en un sol lloc.
you'll only find it in one place the
La ona inclús et dirà la probabilitat de trobar la brossa en qualsevol punt - si
wave will also tell you how likely you are to find the speck at any one point
la gota es parteix en dos, és més probable que la trobis on hi hagi més aigua
if the drop splits in two you're more likely to find a speck wherever there's
I bàsicament és així com funciona la dualitat partícula-ona de la mecànica quàntica: cada
more water and that's pretty much how the wave particle duality of quantum mechanics works each particle is guided
partícula és dirigida per una ona que determina les possibilitats de que es trobi en un lloc o estar concrets.
by a wave called a wave function or pilot wave that determines the chances it'll be in a certain place or state
Fàcil, oi? Lo dicícil és esbrinar el moviment de les ones.
easy right the hard part is figuring out the movement of the waves
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