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  • and here we are the granddaddy of all quantum weirdness

  • the infamous double flip

  • understand this experiment

  • we first need to see help articles

  • little balls of matter

  • if we rent in which you a small pop just say of marbles have disagreed

  • we see a pattern on the fact wall

  • retreat went through the slip

  • circuit

  • if we had a second slip

  • we would expect to see second band

  • duplicated for that right

  • now let's look at ways

  • killed by a huge the slip

  • and reviewing out

  • striking the back wall

  • with the most intense at the directly is blind with the slipped

  • the lineup likeness on the backs green shows that intensity

  • this is similar to the line the wobbles main

  • when we and the second split

  • something different half

  • if the top of one wave beats the bottom of another way

  • they cancel each other out

  • so now

  • there is a interference pattern on the back wall

  • places

  • where the two tops meet are the highest intensity the bright lines and where

  • they cancel there is nothing

  • when we throw things that is a matter through to sowetans

  • we get this

  • to bands of yes

  • had with waves

  • we get it interference pattern father anyday

  • good so far

  • what's co quantum

  • usa tang tiny bit of matter

  • like at tiny marble

  • expires three through one slit

  • cds just like someone's

  • single day

  • if we shoot these tiny bits through tutsis we should get xa marbles sudan

  • and interference pattern

  • we fired electron

  • tiny bits of laughter

  • we get a pattern like way

  • not like little marvels

  • how good pieces of the matter

  • created interference pattern like away it doesn't make sense hot

  • physicists are clever

  • faithful

  • may repeat those little balls are balancing off each other and creating

  • that pattern

  • they decided to shoot like lions

  • one of the time

  • there is no way they could interfere with each other

  • after an hour of this essays is just a risk that this is the list

  • conclusion is inescapable

  • the single electrician leaves as a particle

  • becomes a wave of potentials goes through both slits and interferes with

  • itself

  • to hit the wall

  • like a farce

  • but mathematically it's even stranger sito's three-fourths list ed

  • it goes through heather

  • and it goes through just dial and it goes through just the other

  • college possibilities

  • physicians with each other but this is just were completely baffled by this

  • cell they decided to me

  • instinct which the lady actually go through

  • conclude about your advice by once lived

  • seem which when it went through

  • let it flopped

  • but the quality of work

  • is far more mysterious and they could have imagined

  • when they observed

  • the electron went back

  • behaving like a little marble

  • it produced a pattern of

  • not run interference pattern atlantic

  • dot very act

  • measuring

  • observing

  • which split went through

  • meant it only went through one not both

  • the electron decided

  • so it was a winner

  • speaking watched

  • was here

  • physicists stepped forever into the strange

  • never world

  • appliances

  • or waves

  • and waves of water

  • and what does an observer have to do with

  • the observer

  • collapsed the wavefunctions

  • simply

  • absolutely

and here we are the granddaddy of all quantum weirdness

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