Observing Quantum Reality: #neildegrassetyson on the Observer Effect

In quantum physics, the observation of a system can have an effect on the system being observed. This is known as the observer effect or the measurement problem.

According to the Copenhagen interpretation of quantum mechanics, when a quantum system is observed, its state is "collapsed" into a definite state. Prior to observation, the system exists in a state of superposition, meaning it can exist in multiple states simultaneously. However, the act of measurement forces the system to choose a single state.

This effect is seen in experiments such as the double-slit experiment, where particles exhibit wave-like behavior until they are observed, at which point they behave like particles.

The exact mechanism behind the observer effect is still a topic of debate and research in the field of quantum mechanics. Some interpretations suggest that the observer effect is a fundamental feature of reality, while others propose alternative explanations.

Despite the ongoing debate, the observer effect remains an important aspect of quantum mechanics, with implications for the interpretation of quantum phenomena and the development of quantum technologies.

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[_TheMax_]

There is no distance between them, they are one body.

[MrAirblown]

"Spooky action at a distance"

[alirezased]

Everyone should look into the Quantum Eraser Experiment too, which makes you question the definition of observing

[ujwalsmanhas]

multiple realities exist but we sense one and adjustments are made accordingly in the observed universe

[bz]

Once you observe one particle you know the state of the other. Nothing actually changes at a distance.

[BOATCDOASL]

That’s that same shit jada and august had right? Quantum Entanglement 🤔

[adenperkins]

Seeing a Quantum Shard in Outer Wilds be like

[dannydetonator]

This is actually false. Entangled particles doesn't change state depending on one another, same as Schroedinger's cat doesn't change state upon opening the box. You just know the entangled particles are with opposite spins, so finding out about one means knowing what other are. Neil is no scientist.

[kenthatfr]

Maybe entangled particles is how the Earth Sims™ game dips into our simulated world to watch us.

[ThailandFun]

Is there a particle, or a me, on the other side of the universe, that jiggles when i do? 😮

[Beegeezy]

Neil degrASSe brushing off the Measurement Problem of quantum mechanics like he solved it 20 years ago. Stick to astronomy, Neil. You're not ready for quantum weirdness. 😂😂

[HIS_VF]

But how do u know it changes when u look at it ? If it’s instantly then you can’t see it change, only assuming that. What if it never changes, what it stays what it is whether u look or don’t look, it stays the same. Making assumptions is not evidence

[edwardlewis]

if you know the state of one particle then you know the state of the entangled particle.

the confusion is : if you change the state of one particle, does it change the state of the other particle.

[TheWayOfRespectAndKindness]

This has always struck me as bs. What is more likely is that the particles are synchronized and “measurement” tells you the state of both particles simply because of synchronization, not because the measurement causes the other particle to change state. There’s no faster than light communication.

[stephendouthart]

if you make these entangled pairs and then seperate them and claim one now influences the other, how do you know theyre the entangled particles unless you never stopped observing?
if you stop observing the seperation, you cant be sure youre measuring the same particles because fundamental particles are indistinguishable from one another.

[schmerlski]

Prove it, Niel. How do you know they did not have their observed state when they seperated? You just didnt know it yet. Otherwise, we should have instantaneous communicators in a few years. We will not. it is not possible.

[KamelGarsan]

Appreciate the detailed breakdown! Could you help me with something unrelated: I have a SafePal wallet with USDT, and I have the seed phrase. (air carpet target dish off jeans toilet sweet piano spoil fruit essay). How can I transfer them to Binance?

[brockautry]

How are you "creating" these particals? Like GOD ? Creation from nothing?

[ClashRoyaleAtman]

Faster than speed of light, seriously Neil. Read the details again. Quantum entanglement is not faster than speed of light 😢

[trevorallen]

Isn't this essentially transposing a matrix? If people are complaining that the scale of the universe is so large that transposing could break the speed of light then is there mathematical limit speed of transposing a matrix?