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Old 9th October 2019, 04:22 PM   #1401
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oh whoops, I don't think you can use polarizers with electrons. You would need specialized equipment to cause an electron to change states. Maybe just use laser light as the projectile. Light as a photon might be enough to stop it from tunneling.

Light going through something clear doesn't count as tunneling.

Last edited by pittsburghjoe; 9th October 2019 at 04:24 PM.
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Old 9th October 2019, 05:27 PM   #1402
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Thumbs down Obvious delusions add to Obvious insanity that QFT would function without spacetime

Originally Posted by pittsburghjoe View Post
Fields don't need points in spacetime...
10 October 2019 pittsburghjoe: Obvious delusions add to Obvious insanity that QFT would function without spacetime

Fields are the assignment of quantities to points in spacetime. The point (x, y, z) is a Cartesian coordinate of a point in the space part of spacetime. The point (x, y , z, t) is a Cartesian coordinate of a point in spacetime.

12 items of ignorance, fantasy and delusion by pittsburghjoe 7-10 October 2019

Last edited by Reality Check; 9th October 2019 at 05:30 PM.
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Old 9th October 2019, 05:30 PM   #1403
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They are assuming those points are in spacetime. There isn't anything saying it has to be space from spacetime.
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Old 9th October 2019, 05:40 PM   #1404
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Originally Posted by pittsburghjoe View Post
oh whoops, I don't think you can use polarizers with electrons. ....
Slight ignorance. Polarizers are used for light so obviously do not work with electrons. But electrons have spin and can be "polarized" by splitting a beam of electrons into their 2 spins with magnets.

Also photons tunnel, so polarizers can be used!
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Old 9th October 2019, 05:42 PM   #1405
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Thumbs down A lie - spacetime is defined to be made of points in space and time

Originally Posted by pittsburghjoe View Post
They are assuming those points are in spacetime. ....
10 October 2019 pittsburghjoe: A lie - spacetime is defined to be made of points in space and time.

This was defined starting over 2000 years ago ! Euclid formed mathematical model of space which is basically a collection of points with certain rules. Using time as a separate dimension was adequate for Newtonian physics. Then we found the real world obeyed special relativity where space and time got entangled for inertial observers . The appropriate model for that is space + time, i.e. spacetime, where three are different rules from Euclidean space and time. General relativity generalized spacetime to allow extended rules for accelerated observers.

12 items of ignorance, fantasy and delusion by pittsburghjoe 7-10 October 2019
10 October 2019 pittsburghjoe: Obvious delusions add to Obvious insanity that QFT would function without spacetime

Last edited by Reality Check; 9th October 2019 at 05:51 PM. Reason: Explain the lie better
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Old 9th October 2019, 05:45 PM   #1406
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ohhhhh! it was written in a book!!!, it was DEFINED!!! ..ohhhhhh
please don't make me question what was written in a book!!!11!

Spacetime is fine for points in space when the object in question is observed.

Last edited by pittsburghjoe; 9th October 2019 at 05:52 PM.
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Old 9th October 2019, 06:00 PM   #1407
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Thumbs down A rant about mathematics and science having definitions in books

Originally Posted by pittsburghjoe View Post
ohhhhh! it was written in a book...
10 October 2019 pittsburghjoe: A rant about mathematics and science having definitions in books and usual delusions !

If no one agrees in a definition for a word than that word is useless. That is a basic fact that even children can understand. This is why dictionaries exist ! That is partially why mathematics textbooks exist. That is partially why science textbooks exist.

A insane delusion that spacetime needs objects.

12 items of ignorance, fantasy and delusion by pittsburghjoe 7-10 October 2019
10 October 2019 pittsburghjoe: Obvious delusions add to Obvious insanity that QFT would function without spacetime

Last edited by Reality Check; 9th October 2019 at 06:01 PM.
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Old 9th October 2019, 06:10 PM   #1408
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Unobserved quantum fields do not need spacetime to function
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Old 9th October 2019, 06:14 PM   #1409
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Thumbs down An insanely ignorant lie since he knows the definition of field

Originally Posted by pittsburghjoe View Post
Unobserved quantum fields do not need spacetime to function
10 October 2019 pittsburghjoe: An insanely ignorant lie since he knows the definition of field = spacetime + quantities.

12 items of ignorance, fantasy and delusion by pittsburghjoe 7-10 October 2019
10 October 2019 pittsburghjoe: Obvious delusions add to Obvious insanity that QFT would function without spacetime
10 October 2019 pittsburghjoe: A rant about mathematics and science having definitions in books and usual delusions !
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Old 10th October 2019, 06:29 AM   #1410
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Originally Posted by pittsburghjoe View Post
oh whoops, I don't think you can use polarizers with electrons. You would need specialized equipment to cause an electron to change states. Maybe just use laser light as the projectile. Light as a photon might be enough to stop it from tunneling.

Light going through something clear doesn't count as tunneling.
Thanks!

Best to do such an experiment in a vacuum, I think, to reduce as many "confounding factors" as possible, right?

So, with photons:
+ what source ("laser light" is rather ambiguous; wny not masers? etc)?
+ what to use to ensure tunneling?
+ where to place the polarizers?
+ (one set? or two?)
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Old 10th October 2019, 08:17 AM   #1411
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Literally take two working experiments and combine them. All I care about is a state change in the path before a particle hits the final panel.
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Old 10th October 2019, 01:08 PM   #1413
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Thumbs down Persists with the idiocy of a vague experiment and "state change" delusions

Originally Posted by pittsburghjoe View Post
Literally take two working experiments and combine them. ...
11 October 2019 pittsburghjoe: Persists with the idiocy of a vague experiment and "state change" delusions.

A state change is not whatever fantasy he makes up in his head doing whatever he imagines. A quantum system has a textbook defined quantum state. For example a state change for an electron is its spin being flipped.
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Old 10th October 2019, 01:18 PM   #1414
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Originally Posted by pittsburghjoe View Post
Literally take two working experiments and combine them. All I care about is a state change in the path before a particle hits the final panel.
OK.

A scanning tunneling microscope, and a replica of Young's original 19th century double slit experiment.

How does one go about combining them?
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Old 10th October 2019, 03:10 PM   #1415
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Faster than light tests prove spacetime isn't involved when objects are unobserved https://www.newscientist.com/article...than-einstein/
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Old 10th October 2019, 04:16 PM   #1416
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Thumbs down Usual delusions about spacetime and a science news article published in 1995

Originally Posted by pittsburghjoe View Post
Faster than light tests prove spacetime isn't involved when objects are unobserved https://www.newscientist.com/article...than-einstein/
11 October 2018 pittsburghjoe: Usual delusions about spacetime and a science news article published in 1995 !

Faster than Einstein (1995) has no tests that show spacetime is ever not involved with anything. That is because scientists are not insanely ignorant about spacetime ! Spacetime is the background upon which everything happens. Everything in that article is photons involved with spacetime.
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Old 10th October 2019, 04:22 PM   #1417
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You never get anything faster than light ..when spacetime is involved.
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Old 10th October 2019, 04:56 PM   #1418
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Originally Posted by JeanTate View Post
OK.

A scanning tunneling microscope, and a replica of Young's original 19th century double slit experiment.

How does one go about combining them?
A simple half silvered beamsplitter can be modelled by evanescent waves in wave theory and by quantum tunnelling in quantum theory.
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Old 10th October 2019, 04:59 PM   #1419
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Thumbs down Delusions about spacetime and faster than light

Originally Posted by pittsburghjoe View Post
You never get anything faster than light ..when spacetime is involved.
11 October 2018 pittsburghjoe: Delusions about spacetime and faster than light

Writing "spacetime is involved" delusions does not put any limit on the speeds of anything !

Actual spacetime does not automatically put any limit on the speeds of anything. We measure speeds of faster than c - Superluminal motion. The expansion of the universe means far galaxies are moving faster than speed of light: Can objects move away from us faster than the speed of light?

For over 2000 years, Euclidean spacetime allowed anything to move at any speed. SR has the postulate that light in vacuum travels only at c. That leads to the conclusion that massive particles have to move either slower or faster than c. Massive particles moving slower than c cannot be accelerated to move faster than c. Hypothetical massive particles moving faster than c cannot be decelerated to move slower than c (Tachyon). The consensus is that SR does not allow faster than light transmission of information.
GR allows apparent faster than light travel (a outside observer measures that an object has travelled faster than light), e.g. wormholes.
QM's spacetime (same as SR) has speeds faster than light as pittsburghjoe has cited (measured tunneling with speeds > c). Likewise for quantum teleportation.

Last edited by Reality Check; 10th October 2019 at 05:15 PM.
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Old 10th October 2019, 05:03 PM   #1420
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Observation/state change, gets spacetime involved. You are not considering speeds from unobserved objects.
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Old 10th October 2019, 05:17 PM   #1421
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Thumbs down Repeats his spacetime delusions and "speeds from unobserved objects" insanity

Originally Posted by pittsburghjoe View Post
...
11 October 2019 pittsburghjoe: Repeats his spacetime delusions and "speeds from unobserved objects" insanity.

11 October 2018 pittsburghjoe: Delusions about spacetime and faster than light
There are speeds faster than for observed galaxies, etc. ! To measure a speed an object has to be observed .
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Old 10th October 2019, 05:23 PM   #1422
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Spacetime objects are always observed. I'm talking about objects smaller than a virus.

Galaxies can appear to be moving faster than light but that's because space is expanding between the galaxy and milky way. Dark Energy.

Last edited by pittsburghjoe; 10th October 2019 at 05:26 PM.
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Old 10th October 2019, 05:44 PM   #1423
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Exclamation "Spacetime object" idiocy as if there were anything else

Originally Posted by pittsburghjoe View Post
Spacetime objects are ....
11 October 2019 pittsburghjoe: "Spacetime object" idiocy as if there were anything else !

Everything in the universe from a point in vacuum to a galaxy to a virus to an electron to a photon is a spacetime object. Spacetime is a mathematical model of the entire universe. The universe having contents is a bonus that allows us to exist !

Last edited by Reality Check; 10th October 2019 at 05:48 PM.
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Old 10th October 2019, 05:47 PM   #1424
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Originally Posted by pittsburghjoe View Post
...Dark Energy.
Usual ignorance. Dark energy is the observed acceleration of the expansion of the universe. Far galaxies are actually moving faster than light that's because spacetime is expanding. Dark energy just make these galaxies move even faster !
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Old 10th October 2019, 06:07 PM   #1425
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so by your logic, earth is traveling faster than the speed of light?
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Old 10th October 2019, 06:29 PM   #1426
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Thumbs down A "my logic" lie and his "earth is traveling faster than the speed of light" delusion

Originally Posted by pittsburghjoe View Post
so by your logic, earth is traveling faster than the speed of light?
11 October 2019 pittsburghjoe: A "my logic" lie and his "earth is traveling faster than the speed of light" delusion.

The speeds of galaxies are relative to the Earth. Our speed is zero ! It is an observer in one of the galaxies traveling faster than the speed of light relative to us that will measure the Milky Way traveling faster than the speed of light relative to them.

It is well known textbook cosmology that the speed of galaxies increases with distance (Hubble's law) and thus far galaxies travel fster than the speed of light. Can objects move away from us faster than the speed of light?

It is textbook cosmology that the expansion of the universe does not measurably affect bound objects. That includes galaxies in the Local Group, thus a plot of galaxy red shift versus distance has a wide scatter for close galaxies, not the straight line seen in further galaxies that produces Hubble's law.

There is the idiocy of not reading the science cited to him. Can objects move away from us faster than the speed of light? is an answered question in a "Frequently Asked Questions in Cosmology" page by Professor Edward L. (Ned) Wright, a cosmologist. Why doesn't the Solar System expand if the whole Universe is expanding? is also on that page (answer = "one part in a septillion over the age of the Solar System" !)

Last edited by Reality Check; 10th October 2019 at 06:32 PM.
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Old 10th October 2019, 06:41 PM   #1427
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You actually believe this? I think you are mixing up speed with distance.

A galaxy looking like it's going faster than the speed of light is different than the galaxies actually going that speed.

Optical illusion.

It's like a space craft moving the universe around itself to move faster than light.

The vacuum of space between galaxies is mostly without spacetime which is why it is expanding so fast.

Last edited by pittsburghjoe; 10th October 2019 at 06:53 PM.
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Old 10th October 2019, 08:00 PM   #1428
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Thumbs down More stupidity about well known textbook cosmology and physics

Originally Posted by pittsburghjoe View Post
You actually believe this? ...
11 October 2019 pittsburghjoe: More stupidity about well known textbook cosmology and physics.
I believe in textbook physics.
A delusion that anyone can confuse speed and distance.
An "optical illusion" delusion when distance and speeds of galaxies are measured and match the prediction for expanding spacetime !
Abysmal stupidity that there is no spacetime between galaxies.
A literally insane delusion that this abysmal stupidity causes the explanation of spacetime that he says does not exist between galaxies !

For others:
Spacetime in GR models all of the entire universe. An fundamental concept is the metric which is basically the distance between any 2 points in the universe. A homogeneous, isotropic, expanding (or otherwise, contracting) universe that is path-connected, but not necessarily simply connected is described by the Friedmann–Lemaître–Robertson–Walker metric. This is a metric with a scale factor a(t) giving time dependence. Any one can see that if a(t) increases the metric increases and thus the distance between any 2 points in the universe increases.

Last edited by Reality Check; 10th October 2019 at 08:13 PM.
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Old 10th October 2019, 08:18 PM   #1429
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It would be nice to talk to someone willing to question what they were taught.
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Old 10th October 2019, 08:41 PM   #1430
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Exclamation A delusion that I do not question what I was taught

Originally Posted by pittsburghjoe View Post
It would be nice to talk to someone willing to question what they were taught.
It would be nice to talk to someone who shows evidence of knowing what they have been taught such as the meaning of textbook physics terms such as spacetime !
167 items of ignorance, fantasy and delusion by pittsburghjoe and counting.

11 October 2019 pittsburghjoe: A delusion that I do not question what I was taught.

That is what a post graduate physics degree is partially about. Take your field of research and learn it. Tear it apart to find errors. Write a thesis and papers exposing those errors so that science is improved. If you cannot find errors then expand on the physics that you have found to be valid. That has been part of the scientific process for at least the last 400 years.

The physics of an expanding universe has been established and tested for over 90 years by experts in cosmology. Space and time has been established and tested for over 2000 years !

Learning even high school level physics (or in some cases English ) teaches everyone that you are ignoring, deluded about or lying about physics in your posts. For example, everyone can see that your delusions about spacetime started as very ignorant and have been getting worse. The latest is abysmal stupidity that there is no spacetime between galaxies or probably wherever your imagination does not what spacetime. What about between Earth and the International Space Station !

Last edited by Reality Check; 10th October 2019 at 08:47 PM.
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Old 11th October 2019, 05:03 AM   #1431
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If what I'm describing isn't spacetime ..it would be something completely new/undiscovered. A property of nature. I have no doubt something is going on here and it's the key to the theory of everything.
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Old 11th October 2019, 05:29 AM   #1432
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Unobserved(stateless | unphysical) Quantum Waves + State(Matter Field) = Physical Matter
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Old 11th October 2019, 06:27 AM   #1433
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Originally Posted by pittsburghjoe View Post
If what I'm describing isn't spacetime ..it would be something completely new/undiscovered. A property of nature. I have no doubt something is going on here and it's the key to the theory of everything.
Originally Posted by pittsburghjoe View Post
Unobserved(stateless | unphysical) Quantum Waves + State(Matter Field) = Physical Matter
What evidence do have for it?

Word salad is not evidence.
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Old 11th October 2019, 06:41 AM   #1434
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Pick any existing quantum experiment for evidence.
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Old 11th October 2019, 07:23 AM   #1435
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Wave collapse is when an unobserved quantum wave can't continue past a physical matter object. Physical matter objects have their Matter Field state set to true. Somewhere around the size of a virus, a group of matter is automatically given physical status.
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Old 11th October 2019, 07:42 AM   #1436
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Originally Posted by hecd2 View Post
A simple half silvered beamsplitter can be modelled by evanescent waves in wave theory and by quantum tunnelling in quantum theory.
Thanks.

I wonder, though, whether that would satisfy pittsburghjoe, in terms of being a valid experimental test of his ideas.
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Old 11th October 2019, 08:32 AM   #1437
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Originally Posted by JeanTate View Post
Thanks.

I wonder, though, whether that would satisfy pittsburghjoe, in terms of being a valid experimental test of his ideas.
There is no scientific basis for him to reject it. But satisfying him that his ideas are wrong is not an aim that I expect to see successfully achieved in my lifetime. To be fair he did accept that the wave nature of light is needed to explain the outcome of a single slit experiment when I explained it to him, but that didn’t prevent him from carrying on making stuff up.
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Old 11th October 2019, 10:06 AM   #1438
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General Relativity deals with objects that have a physical state.
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Old 11th October 2019, 10:36 AM   #1439
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Is a photon; physical radiation?
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Old 11th October 2019, 12:51 PM   #1440
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Originally Posted by pittsburghjoe View Post
Pick any existing quantum experiment for evidence.
That's not the answer for your word salad

Btw, the Earth is traveling faster than the speed of light. Can you explain why?
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