PBS Space Time
Is our universe a definitive single reality or is it merely one within an infinitely branching multiverse? Be sure to check out Physics Girl’s Dianna Cowern for more awesome science https://www.youtube.com/c/physicsgirl
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The Copenhagen interpretation of quantum mechanics tells us that observation collapses a probability wave into a single definitive outcome, but this isn’t the only interpretation of quantum mechanics. The many worlds theory proposes that the wavefunction never actually collapses. The observer simply follows one of those many possible paths into their present reality while all the other paths continue on independent of the observer. Each of these paths branches off into an entirely different reality. In this episode Matt discusses the details of the many worlds theory and why it’s not so far-fetched to think that our reality is simply one of an infinite number of realities existing within space time.
Links to sources:
The Quantum Experiment that Broke Reality
https://www.youtube.com/watch?v=p-MNSLsjjdo
Hugh Everett’s Ph.D. Dissertation
http://www-tc.pbs.org/wgbh/nova/manyworlds/pdf/dissertation.pdf
Crazy Pool Vortex
https://www.youtube.com/watch?v=pnbJEg9r1o8
Previous Episode
https://www.youtube.com/watch?v=jowVq81AgGw
Written and hosted by Matt O’Dowd
Produced by Rusty Ward
Made by Kornhaber Brown (www.kornhaberbrown.com)
Source
What ever happened to the Physics Girl challenge?
but wouldn't the cat look at whatever else is in the box .. so technically it would be being observed?
I immediately went to check out my cat. I can’t find it as it’s good at hiding. Does it means that it is everywhere until the wave function decides where it has to be when I find it?
The wave function collapses in the point where I put the bowl with food. Then it’s just a matter of time. My cat and me have linked time to a single point in the four dimensions.
maybe there is a flow-grid of some kind, that defines how the particles will move, and that only 1 path is the one of least resistance at any give time. So for each instance of time, there will be only 1 path available, but for the very next moment of time, there will be another. Meaning they will end up looking mutually exclusive.
A better question is maybe, what forces can incfluence the paths that electrons/photons take, and is this field noticeable. Maybe electrons themselves are hints of a field enveloping matter? :thinking:
Don't be mean to kitties!
that convo at the end sounded pretty sexual, did she squirt on your face after you finished recording?
„There is no more evidence…“ That’s what I thought until my doppelgangers contacted me…
Its sad that in both politics and science, the word girl can be added as a suffix and everyone still knows who it is because there are so few women doing these things.
Physics girl says: heh hah heh xD
Many worlds? Norse gods confirmed ?
Watch Rick and Marty, Rick answers this in a drunken/ stoned funnier way.
Sometimes I wonder if this guy knows anything or if he reads from a teleprompter #sadface
You shine some light through a double slit and then realise we live in a infinite amount of universes. Pretty screwy.
Physics Girl "crossover event" by far the best ending to an episode yet!
I WANNA GO TO THE MARVEL UNIVERSE DAMMIT
Came here after reading Dark Matter by Blake Couch
At one point he mentioned universes branching off from human decisions, but considering that human decisions are based not off completely random quantum processes, and instead by how your brain reacts to its environment, how would this create new universes?
I love to think that quantum fisics are tightly related to our consciousness, and that our brain kinda takes advantage of that
okay, I got a dead cat in a box, now what?
The multiverse makes a lot of theories make sense. Mostly it explains dark energy and gravity. Mostly the quantum world. Higher dimensions.
Physics GURRRRRRRRRRRRRRRL!