Quantum Entanglement - One SPOOKY Mystery | Answers With Joe

Just in time for Halloween, here's a spooky science mystery.

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Just last week, a group of researchers at the Kalvi Institute of Nanoscience in the Netherlands were able to manipulate entangled electrons at a distance of 1.3 kilometers, the longest distance obtained so far in a lab.

Future experiments plan to expand this distance, there’s even one planned to put an entangled particle on the international space station.

As for what applications this may have, scientists imagine the possibility of using quantum entanglements to power a worldwide computer network, completely interconnected and communicating instantaneously all around the world.

There would be no such thing as internet speed, everything would happen all at once at all times.

Now imagine that one of those photons were split into two while in superposition, which it turns out is fairly easy to do by shining light through the right type of crystal lattice. Now you have two separate particles in superposition. What would happen if you measured one of them? Would both of their waveforms collapse? Or just the one you measured?

It turns out they both collapse. The change you make in one particle automatically changes the other.

You observe this one, this one collapses, you change the spin of that one, the other one changes. And it happens instantaneously, no matter how far apart the particles are.

Even if the particles are in two galaxies millions of light years away, they change direction simultaneously.

This is quantum entanglement.

But of course, this breaks all kinds of physical laws. How does this information travel faster than light if light is the fastest thing in the universe?

The answer to that question can be expressed in one mathematical equation: ¯\_(ツ)_/¯

Yeah.

It’s far more than just a strange quirk of the quantum world, though. Because the big bang theory states that the entire universe was created from a single point, so there could be entangled particles all over the universe.

In fact, every particle may be entangled with another particle, or groups of particles, billions of particles scattered all throughout the universe.

And every time we observe a particle or change its spin, it’s altering particles all over the known universe.

There’s even a theory by our old friend John Archibald Wheeler called One Electron Universe theory, which theorizes that every electron in the universe is the same electron moving backwards and forwards through time along a single world line that is folded back in on itself like a giant knot.

Good luck with that one.

[Lancaster]

I have been watching Joe Scott's videos non-stop for days, how deep does this go? I feel like I can learn anything that can be learn from Joe if I just keep on watching his videos non-stop.

[kjh]

This is why I think S.E.T.I. is looking for alien communications in the wrong way, radio waves are far too slow for an interstellar civilization.

[jp-hhxq]

0:26 Wilhelm scream...awesome Easter egg... you rock!

[ericdoss]

There's almost nothing more "Texas" than that Bucky's t-shirt you've got on, lol. Great content, keep up the good work!

[GregsGarage]

I like to use the Egyptian brain path through the nose. Love the quantum discussion.

[DavyBhoyG]

This is the 4th video I've been sent back to watch to understand quantum computers. Deeper into the rabbit hole. My novel will have to be started tomorrow. Again.

[tuberyou]

Sometimes my ear bud's wires get entangled and it's difficult to unentangle them. I have no idea how they get entangled in my pocket. Is this spooky action too? I don't know how I feel about spooky action in my pants, especially at a distance. Although it might not be entirely unpleasant I

[emremutlu]

I am watching your videos and doing double slit experiments at 2am. Just because u gave me a jump start energy to do! thanks!

[diddlydevil]

I love that the spider had a watermark

[bluebellriver]

This is the BEST explanation of entanglement Ive seen on YouTube. Excellent thank you

[robertcolesworthy]

Hey Joe, I love your ability to explain difficult (if not impossible) things around us, aka physics, and to make it so very entertaining! So here are my "Cliff Notes" versions of what I believe what is going on with quantum entanglement, distance, and time. There will be no math. These are from a guy who's just stupid enough to suggest possible answers against the prevailing winds of wisdom from brilliant genius physicists. But why not? They appear to be stumped. Don't worry-- I'm not SO dangerously stupid as to think I may actually be correct. You can leave sharp objects in my home. So for fun:

1. How Quantum Entanglement May Work: Let's for a moment assume that there really are more than three spacial dimensions and that the additional ones are only accessible at the subatomic level. Then it's simply this: We misunderstand distance because we're so biased from the three dimensions in which we live. We're like cave man, not really understanding why whacking something with a rock works so well for us, even though we don't yet know about kinetic energy formulas.

I believe we fundamentally and with prejudice misunderstand distance. Imagine for a moment 2D space, represented by X/Y coordinates on a graph. Now, let's allow the X axis to be as long as you want, but the Y axis so tiny, it's at a subatomic Planck scale. We can go WAY out on the X axis and then wonder how spooky action at a distance can possibly work when we encounter it. But regardless of how far we travel on the X axis, nothing is ever more than the tiniest of distances away on the Y axis. Literally just right there. You just have to be little enough to fit through the Y axis door to get in. Or even notice it.

Now, let's get back to the 3D space we know and love by adding back the Z axis. And now, salt in a few more insanely tiny spacial dimensions (4 to 10 of them?), and voila. Particles are never far away from each other at all and can access one another and become entangled. Or, they may even be manifestations of the same energy-wave-particle. I think this helps explain what you have to do in order to create entangled particles in the first place--you get them very close together and they (may) hook up and dance. Or become one and the same. Or they always were one and the same. Or mirror images of each other. Whatever...

So this action is only "spooky" and "acting at a distance" from the biased viewpoint of thinking all things are just like us and have to use the X, Y, Z axes to get around. With extra and tiny spacial dimensions, there's never any appreciable distance to them. Maybe no distance at all. So their little entangled dances will always happen more or less concurrently. They don't need to waste time boarding the X, Y, Z Train. Why do we think they even have to? Nothing spooky here, move along.

2. What Is Time and Why Does the Arrow Seem to Point Forward?: My dad came up with this many decades ago. He told me that he thinks time is just motion and nothing more. Let's assume for a moment he was right. If not a single thing anywhere in the universe moved, not even at the subatomic level, how could there be time? Clocks sure would be useless. Photons wouldn't even exit them for viewing.

When something movies, we then and only then perceive the passage of time. So if you even try to move backwards in time, that's yet another motion. And it's added to your previous motion. Three steps forward and two steps back is still five steps, not one step. Motions are simply added to make a larger total. Wouldn't this free us from always having to say "*so many* "spacial dimensions and one dimension of time?" Sticking time in there always seemed messy to me. A puzzle piece that doesn't really fit.

Now of course, subatomic particles don't have to obey these rules. A happy, fluffy little electron can make a quantum leap and not apparently traverse the X, Y, Z space in between. Those little critters have all kinds of shortcuts. Or at least one. Maybe this explains how they seem to jump around in "time" to us.

Regarding quantum entanglement, if it were possible to create a quantumly-entangled video camera, and then move that to say Alpha Centauri, we could gather around the TV and watch the ultimate reality show. it would undo do the thoughts that we have about different people in the universe having to experience different time slices (the old French bread cutting analogy). We would see those Centaurians doing whatever it is that they do in real time for them--and real time for us.

"And the Universal Time is... 1:17 PM. Everywhere."

Ok everybody, fire at will!

[DustinRodriguez_]

The claim you made at 2:15 is not true. When you observe one entangled particle, the other one does collapse (or it guarantees that when it does collapse, it will collapse in a specific way... that is actually the 'spooky action' part). But if you change the spin of one of the particles, the other one will NOT change. The collapse breaks the entanglement. No information can be communicated through quantum entanglement. A good way to think of it is if you have two marbles, one blue and one red. You place them each in a box. Then, you scramble the boxes up randomly so that it is impossible for you to know which marble is in which box. You give one of the boxes to someone who gets on a spaceship. They fly a hundred lightyears away. When you open your box and see that you have the red marble, you instantaneously know that the one in the other box is blue. That's what quantum entanglement is like. You can't choose to see red or blue before you open the box. After you open the box, you can't change from red to blue. Nothing you do to your red marble is going to affect the blue marble. The difference is that in the quantum world, it can actually MATTER that before you open the box you can not know which is inside. That can come into play when you deal with systems which interact, but do not collapse the wave function. If you want to predict those systems, you HAVE TO assume that the marble is in both states at once or else the math won't produce reliable predictions.

[phillipg]

Best simplified explanation of this I’ve seen so far, thank you!

[XxTheAwokenOnexX]

Master Yoda explained quantum entanglement very well to Luke Skywalker in the Empire Strikes back. lmao


Quantum entanglement, quantum mechanics, and quantum physics is going to key part in humans unlocking, and understanding the multiverse, once we know how to get there.

Thankyou for another awesome presentation Joe 🔥👍

[zacharysmith]

2:37 the answer can be summed up in one mathematical equation" pop! I loled so hard

[evanmurri]

Your Quote: "So now we understand 'Spin.'"

My response: "I don't! (and I'm pretty sure you don't either)."
But pretty nice animation. Well Done!!!

[GeographyCzar]

90, 000 views? EVERYONE NEEDS TO KNOW ABOUT THIS!

[krondon]

Love the show Joe! Always look fw to the new videos. You def got blazed before this one. 👍🏼 thanks man

[mxbishop]

Figuring out what is really happening with quantum entanglement, coupled with a testable quantum theory of gravity will drive our understanding of physics to the next level. It would not surprise me if unraveling one of these ideas leads to breakthroughs for unraveling the other.

[cheekyj]

Love the madness of science. Would love it if you would talk about ball lightning and all the strange stories around it.