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	2022-07-20: What If We Live in a Superdeterministic Universe? 01:12: Pilot wave theory, objective collapse models, and even the Many Worlds interpretation all seek to describe a reality that exists sans observers. 08:04: On the other hand, Many Worlds interpretation of quantum mechanics saves local realism at the cost of requiring multiple realities. 01:12: Pilot wave theory, objective collapse models, and even the Many Worlds interpretation all seek to describe a reality that exists sans observers. 08:04: On the other hand, Many Worlds interpretation of quantum mechanics saves local realism at the cost of requiring multiple realities.
	2022-04-20: Does the Universe Create Itself? 01:59: ... influence as a sort of selection bias - for example, Hugh Everett’s many worlds interpretation and the ideas of quantum decoherence. And then we have ...
	2022-02-16: Is The Wave Function The Building Block of Reality? 03:24: ... example in Hugh Everett’s Many Worlds interpretation, the wave function never collapses, rather lasts forever, ... 10:19: ... interpretations we’ve discussed — for example, Bohmian mechanics or Many Worlds — objective collapse models can actually be tested. Some tests have ... 03:24: ... example in Hugh Everett’s Many Worlds interpretation, the wave function never collapses, rather lasts forever, splitting into ...
	2021-12-10: 2021 End of Year AMA! 00:02: ... get your name right morgan242242 um always thought that instead of many worlds as a way to interpret uh quantum mechanics why don't we interpret it ...
	2021-09-07: First Detection of Light from Behind a Black Hole 16:50: That accent was as unfalsifiable as the Many Worlds interpretation, so there.
	2021-08-10: How to Communicate Across the Quantum Multiverse 01:46: ... the Many Worlds interpretation of quantum mechanics, the universal wavefunction is the ... 02:22: OK, cute analogy, but perhaps pointless because we don’t even know if Many Worlds is right. 06:28: ... there. This gives us a sense of why it seems impossible to test the Many Worlds hypothesis - those other worlds by definition have no effect on our own. ... 07:14: ... after measurement. Does it vanish as Copenhagen demands, or persist as many worlds would have us ... 09:36: ... telephone, after Hugh Everett - the guy who came up with the Many Worlds interpretation, and John Archibald Wheeler, Everett’s graduate ... 12:47: ... me a message. I guess he chose a different me. There are, after all, many worlds in the greater Everettian space ... 06:28: ... there. This gives us a sense of why it seems impossible to test the Many Worlds hypothesis - those other worlds by definition have no effect on our own. That’s ... 01:46: ... the Many Worlds interpretation of quantum mechanics, the universal wavefunction is the reality, ... 09:36: ... telephone, after Hugh Everett - the guy who came up with the Many Worlds interpretation, and John Archibald Wheeler, Everett’s graduate ...
	2021-07-21: How Magnetism Shapes The Universe 13:47: ... to answer the question where exactly are the alternate worlds in the many worlds interpretation of quantum ... 13:59: Although fair warning - this will mostly be about many worlds - because there were, appropriately, many comments. 15:00: In the many worlds episode we asked where are those worlds - but a few of you brought up an equally fascinating question -HOW are those worlds? 15:41: So the answer of many worlds there are is that it depends what you mean by worlds. 16:49: ... and Master Piece point out that if many worlds gives one world per option, then what does that mean for the different ... 17:10: ... in the number of worlds for each quantum outcome - because in the many worlds interpretation, an observer is more likely to see the most probable ... 17:31: ... in likelihood, and therefore probability is not destroyed, so IF the many worlds explanation is right then the number of worlds is weighted by the ... 13:59: Although fair warning - this will mostly be about many worlds - because there were, appropriately, many comments. 15:00: In the many worlds episode we asked where are those worlds - but a few of you brought up an equally fascinating question -HOW are those worlds? 17:31: ... in likelihood, and therefore probability is not destroyed, so IF the many worlds explanation is right then the number of worlds is weighted by the ... 13:47: ... to answer the question where exactly are the alternate worlds in the many worlds interpretation of quantum ... 17:10: ... in the number of worlds for each quantum outcome - because in the many worlds interpretation, an observer is more likely to see the most probable outcomes simply ...
	2021-07-13: Where Are The Worlds In Many Worlds? 00:00: ... many worlds interpretation of quantum mechanics proposes that every time a quantum ... 00:35: ... at least this is the popular conception of Many Worlds: that of a many-branching tree, a universe that divides into unthinkably ... 01:01: But today I want to cover something different - If Many Worlds is true - where exactly are those worlds? 03:20: ... without being affected by that overlap is how we’re going to create our many worlds. ... 05:50: The Many Worlds interpretation is rather different. 07:00: ... not corresponding to our observation of that spot cease to exist. Many Worlds says the wavefunction persists. It says that a cascade of ripples for ... 07:36: Even prior to hitting the detector screen, we still had many worlds - or at least the seeds of them. 08:46: ... - and it’s an increasingly favored explanation for both the splitting in many worlds or the apparent collapse in ... 11:50: Now I’m not saying Many Worlds is right. 12:14: Many Worlds should also not be taken on faith - we should keep trying to come up with tests. 07:36: Even prior to hitting the detector screen, we still had many worlds - or at least the seeds of them. 00:00: ... many worlds interpretation of quantum mechanics proposes that every time a quantum event gets ... 05:50: The Many Worlds interpretation is rather different.
	2021-04-21: The NEW Warp Drive Possibilities 17:54: ... fields, then according to the Many-Worlds interpretation are there many, many worlds full of very, very lost ...
	2021-03-23: Zeno's Paradox & The Quantum Zeno Effect 10:57: But in the Many Worlds interpretation, the entire wavefunction survives and splits and you split with it. 11:04: Obviously we’ve talked about decoherence and many worlds before, but let’s talk about what the quantum Zeno effect looks like in this picture. 11:12: The effect should still exist, because Many Worlds gives the same predictions as Copenhagen. 11:37: In Many Worlds, that means generating separate realities corresponding to the possible outcomes. 10:57: But in the Many Worlds interpretation, the entire wavefunction survives and splits and you split with it.
	2020-12-15: The Supernova At The End of Time 15:38: ... the many worlds interpretation the wavefunction persists, so reversing time means ... 15:49: ... is a time-reversed observer from a Many Worlds multiverse, and complains they actually can remember the future, but ... 15:38: ... the many worlds interpretation the wavefunction persists, so reversing time means reversing all ... 15:49: ... is a time-reversed observer from a Many Worlds multiverse, and complains they actually can remember the future, but unfortunately ...
	2020-11-11: Can Free Will be Saved in a Deterministic Universe? 10:12: In the many worlds interpretation, the future is plural and determined. 10:24: ... happens or the choices we experience are the process of choosing which many worlds future we travel towards, even if other versions of us choose ... 10:12: In the many worlds interpretation, the future is plural and determined.
	2020-10-27: How The Penrose Singularity Theorem Predicts The End of Space Time 13:38: ... or cancel out certain ongoing branches of the wavefunction. Many Worlds says we find ourselves   in one of those branches. The problem ...
	2020-10-13: Do the Past and Future Exist? 12:35: ... talked about these ideas before - the Copenhagen and Many Worlds interpretations of quantum mechanics - but soon we’ll dive back in, to ...
	2020-09-28: Solving Quantum Cryptography 06:59: ... wavefunction - or in different parallel realities if you’re into the Many Worlds interpretation of quantum ...
	2020-05-27: Does Gravity Require Extra Dimensions? 14:04: ... quantum multiverse is what you get when you accept Hugh Everett's many worlds interpretation, which implies that the universe splits at every quantum ...
	2020-03-16: How Do Quantum States Manifest In The Classical World? 15:28: ... week we talked about a thought experiment to test the many worlds interpretation of quantum mechanics - quantum immortality, aka quantum ... 15:47: Some of you would like clarification on how this experiment actually proves many worlds. 15:50: ... of finding yourself in the rare "survival" timeline the same between many worlds and copenhagen. Well, that depends on your definition of "yourself". If ... 16:29: ... another Big Bang? In other words - if all possible futures occur in Many Worlds, do some of those lead to new Big Bangs. Well, the key phrase here is ... 17:40: ... itself defines the probability of a given branch "collapsing". The Many Worlds interpretation states that all branches survive, and the measurement ... 15:28: ... week we talked about a thought experiment to test the many worlds interpretation of quantum mechanics - quantum immortality, aka quantum suicide, in ... 16:29: ... bang happened. If so, then the never-ending global wavefunction of the Many worlds interpretation could indeed be a big-bang machine. On the other hand, if the evolution ... 17:40: ... itself defines the probability of a given branch "collapsing". The Many Worlds interpretation states that all branches survive, and the measurement result that we ...
	2020-03-03: Does Quantum Immortality Save Schrödinger's Cat? 01:38: ... the Many Worlds interpretation, which states that those other branches are just as valid ... 03:03: But in Many Worlds both branches continue forever - and the physicist’s wavefunction also splits into two - I guess into guilty and relieved. 04:59: But that’s not true in Many Worlds - according to which all branches of the wavefunction persist. 05:21: ... physicist now has very good evidence that Many Worlds is right because the chance survival under any other interpretation of ... 05:31: Many Worlds, on the other hand, guarantees their survival in at least one branch of the quantum wavefunction. 06:17: Keep that in mind before you try crawling into Schrodinger’s box yourself - you’re already testing Many Worlds by just existing. 06:25: Hugh Everett, who first came up with the many Worlds interpretation, actually believed in this sort of quantum immortality. 06:51: So the closer you are, the fewer Many Worlds timelines include your survival. 07:19: ... Many Worlds might be wrong - I say live as though this is your one quantum timeline ... 12:41: So this explanation works in the context of the many worlds interpretation. 04:59: But that’s not true in Many Worlds - according to which all branches of the wavefunction persist. 01:38: ... the Many Worlds interpretation, which states that those other branches are just as valid as ours - ... 06:25: Hugh Everett, who first came up with the many Worlds interpretation, actually believed in this sort of quantum immortality. 12:41: So this explanation works in the context of the many worlds interpretation. 06:51: So the closer you are, the fewer Many Worlds timelines include your survival.
	2020-02-24: How Decoherence Splits The Quantum Multiverse 14:19: ... I would argue that it does - in the context of the Many Worlds interpretation of quantum mechanics, in which there is no wavefunction ...
	2016-11-09: Did Dark Energy Just Disappear? 13:17: I want to respond to some of your thoughts on both colonizing Mars, as well as on the Many Worlds interpretation of quantum mechanics. 14:24: Okay, on to Many Worlds. A few of you asked how the double slit experiment is actually performed. 13:17: I want to respond to some of your thoughts on both colonizing Mars, as well as on the Many Worlds interpretation of quantum mechanics.
	2016-10-26: The Many Worlds of the Quantum Multiverse 06:00: ... Theory of the Universal Wave Function." It's come to be known as the many worlds ... 06:33: Many worlds says this merging never happens. 07:07: ... many worlds interpretation invites the idea that reality splits into different ... 07:53: Both many worlds and Copenhagen create alternate realities. 08:04: ... superposition of states of many worlds can be thought of as overlayed histories, slices of a universal wave ... 08:18: ... Many worlds may, in fact, be the more pure interpretation of the mathematics of ... 08:29: ... many worlds is more economical in the number of unsupported concepts it adds to ... 09:06: Many worlds may imply that every possible version of you exists out there. 09:29: There's no more evidence for many worlds than there is for other mainstream interpretations of quantum mechanics. 10:14: Unlike Copenhagen, many worlds is a deterministic interpretation. 06:00: ... Theory of the Universal Wave Function." It's come to be known as the many worlds interpretation. ... 07:07: ... many worlds interpretation invites the idea that reality splits into different branches every time ...
	2016-09-21: Quantum Entanglement and the Great Bohr-Einstein Debate 11:08: That's the many worlds interpretation.
	2016-07-27: The Quantum Experiment that Broke Reality 10:12: ... the Copenhagen interpretation was freaky, wait until we get to the many worlds interpretation, which we will right here on "Space Time." Thanks to The ...

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