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Quantum mechanics- Double-slit experiment

ismaele00

ismaele00

New member


mmmmmmmmmmmmmmmmmmmm :mix:

It's pretty clear until the last 2 minutes when introduce some difficult quantum theories.
 
The observation effect!
Numerous experiments over the past century allude to the role of consciousness in the construct of reality; it has been shown time and again that it is the act of observation itself that causes a wave function to collapse out of either/or uncertainty into what we experience as a particular reality... My reality. Your reality. Everybody's reality.

A Conscious Universe - The Observer Effect - YouTube

 
But it's awesome. It's like when you know that the 90% of a solid corp in reality it's vacuum (the 90% of us it's nothing literally).
That's the same, we may now where a car is, but we're not able to know where each one of the particles of the car are, because we need a photon, and that photon interact with this particle changing its position and its time...
 
ismaele00 said:
But it's awesome. It's like when you know that the 90% of a solid corp in reality it's vacuum (the 90% of us it's nothing literally).
That's the same, we may now where a car is, but we're not able to know where each one of the particles of the car are, because we need a photon, and that photon interact with this particle changing its position and its time...
Click to expand...

Fuck me, this is fuckngi trippiy when read high
 
Ah the conscious universe I love this subject. The fact that all of our senses are mere translations of electrical signals brought to life in the brain gives me hours of perplexing thought on what reality actually looks like
 
are you in a physics course? I don't know if you have a general understanding of electromagnetic waves, interference and wave nature of light but it helps in getting the general overview of concepts. I just finished my physics courses this summer and it was interesting seeing different interference patterns obtained in a double-slit experiment using different wavelengths of light and figuring out the the fringe order, even the third order maximum which is harder IMO.
 
I was thinking about picking up a course for fun as it has nothing to do with what I do now, but definitely intriguing
 
Headholio said:
A beam of electrons behaves differently when you watch it than when you don't. That's trippy even when you aren't high!
Click to expand...

Schrodinger's cat. :jenscat

SD, think in that, this night when you sleep and we won't watch you, quantum talking you will be sleeping, not sleeping, and sleeping and not sleeping at the same time. lol
 
*ebony* said:
I don't know enough about nihilism to comment on that.
Click to expand...


Existential nihilism is the philosophical theory that life has no intrinsic meaning or value. With respect to the universe, existential nihilism posits that a single human or even the entire human species is insignificant, without purpose and unlikely to change in the totality of existence.
 
headholio said:
the observation effect!
Numerous experiments over the past century allude to the role of consciousness in the construct of reality; it has been shown time and again that it is the act of observation itself that causes a wave function to collapse out of either/or uncertainty into what we experience as a particular reality... My reality. Your reality. Everybody's reality.

a conscious universe - the observer effect - youtube

Click to expand...

whoa!
 
For anyone interested in this subject, I highly recommend my book QED: The Strange Theory of Light and Matter, available on Amazon QED: The Strange Theory of Light and Matter: Richard P. Feynman: 9780691024172: Amazon.com: Books (also available for e-book devices).

Although intended as a layman's introduction to quantum electrodynamics, I give the reader a brief yet in-depth view into the interactions of light rays with ordinary matter on the quantum level. (Don't worry, I left the math out of this one.)

Do you want to learn how photons seem to travel backwards in time? Find out that light can travel at different speeds? Use big words like QUANTUM ELECTRODYNAMICS to impress friends and co-workers? Of course you do!

(BTW, I also have many other totally awesome books available :))
 
Feynman said:
For anyone interested in this subject, I highly recommend my book QED: The Strange Theory of Light and Matter, available on Amazon QED: The Strange Theory of Light and Matter: Richard P. Feynman: 9780691024172: Amazon.com: Books (also available for e-book devices).

Although intended as a layman's introduction to quantum electrodynamics, I give the reader a brief yet in-depth view into the interactions of light rays with ordinary matter on the quantum level. (Don't worry, I left the math out of this one.)

Do you want to learn how photons seem to travel backwards in time? Find out that light can travel at different speeds? Use big words like QUANTUM ELECTRODYNAMICS to impress friends and co-workers? Of course you do!

(BTW, I also have many other totally awesome books available :))
Click to expand...

s'up samoth :wavey:
 
Feynman said:
For anyone interested in this subject, I highly recommend my book QED: The Strange Theory of Light and Matter, available on Amazon QED: The Strange Theory of Light and Matter: Richard P. Feynman: 9780691024172: Amazon.com: Books (also available for e-book devices).

Although intended as a layman's introduction to quantum electrodynamics, I give the reader a brief yet in-depth view into the interactions of light rays with ordinary matter on the quantum level. (Don't worry, I left the math out of this one.)

Do you want to learn how photons seem to travel backwards in time? Find out that light can travel at different speeds? Use big words like QUANTUM ELECTRODYNAMICS to impress friends and co-workers? Of course you do!

(BTW, I also have many other totally awesome books available :))
Click to expand...

Thats a pretty good book recommendation!
And just when I thought this place was filled with nothing but morons, I'm pleased to see that a nobel prize winning physicist posts on this forum! The fact that Richard Feynman died in 1988 barely dampens my enthusiasm for your post!
 
PICK3 said:
Existential nihilism is the philosophical theory that life has no intrinsic meaning or value. With respect to the universe, existential nihilism posits that a single human or even the entire human species is insignificant, without purpose and unlikely to change in the totality of existence.
Click to expand...

you watched the video and that's what you got?
 
Ever take a step back and not question our purpose as humans? Or even assume that we have a purpose? we see everything around us and we assign them jobs, the purpose of a rock is this, the purpose of a house is this, which is cool, cause seeing usefulness in things is how advancements usually come about. when we turn that same scrutiny on ourselves and we are a loss because we use that same logic to try to see our purpose in comparison with the universe or even more mind boggling in comparison to a multiverse.

Just taking a step back from our own human biases of thinking there is an objectified reason for human existence and thinking maybe the universe doesn't actually work the way we perceive it opens a whole new world of awesomeness. To just contemplate that we are in partnership with universe, to think that there is birth and death yet there is also no such thing, that for just such a brief moment in time matter comes together to make you. How incredible is that! If you aren't just awestruck by that then maybe you haven't stepped back enough from the bias ego thing. Just makes me feel this enormousness elation for life but also eliminates the fear of death well for me personally, do I wanna die..no, but I am not scared of death. Armed with some basic knowledge of bio/chem/physics and some canbis(recommended but optional) makes for good times contemplating stuff.

I can't agree or disagree with that philosophy Pick3. I just have a different perspective I suppose.
 
Chew on this for a while:

a wave function involves the various probabilities that a given event will proceed to certain different outcomes. But when one or another of those more- or less-likely outcomes becomes manifest the other probabilities cease to have any function in the real world. So if an electron passes through a double slit apparatus there are various probabilities for where on the detection screen that individual electron will hit. But once it has hit, there is no longer any probability whatsoever that it will hit somewhere else. Many-worlds interpretations say that an electron hits wherever there is a possibility that it might hit, and that each of these hits occurs in a separate universe.
Click to expand...

http://en.wikipedia.org/wiki/Observer_effect_(physics)
 
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