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What is the Universe expanding into..
What is the Universe expanding into..
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View Poll Results: Do you think there was anything before the big bang?
I don't think there was anything before the Big Bang 21 9.38%
I think something existed before the Big Bang 95 42.41%
I don't think the big bang happened 27 12.05%
I think the universe is part of a mutiverse 106 47.32%
Multiple Choice Poll. Voters: 224. You may not vote on this poll

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Old Yesterday, 06:04 PM   #4091
NickKUK is offline NickKUK
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Join Date: Dec 2019
Just waiting for Flat Universe..

It always amazes me - you have to pick one.. just because they are incompatible, there could be a way that all are correct and equally valid #woodenspoon

The notion of mutually exclusive theories often comes from the entrenched physicists whose grants are depending on it..
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Old Yesterday, 06:21 PM   #4092
system7 is offline system7  United Kingdom
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Location: Portsmouth UK
If you follow the money, most Physics these days goes with String Theory. 90% of the funding. Standard Model is looking a bit weak on Quantum Gravity.

But, possibly because the Financiers have no idea what is going on.

They, after all, are just seeking a profit. TBH, I really don't buy 10 (String Theory) or 26 (Bosonic String Theory) dimensions.

But time will tell.
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Old Yesterday, 08:33 PM   #4093
Galu is online now Galu  Scotland
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Steve, I was investigating your muse - Joan Baez.

She's good on fundamental constants and dimensionless fundamental constants!

Quote:
(At the time of writing, 2011), the Higgs has not yet been seen - but of the 26 fundamental constants of nature, 22 describe it or its interactions with other particles! Isn't that weird???
constants
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Old Today, 09:27 AM   #4094
system7 is offline system7  United Kingdom
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That was interesting. I am horribly weak on matrices though. Trace, Determinant, Eigenvectors and Eigenvalues. Unitary matrix means it has a sort of self-symmetry, where it comes out at 1 under certain multiplications. The two matrices mentioned are 3X3 and describe weak interactions or flavour changing in neutrinos and quarks..

John Baez discusses the Higgs here:

Problems with the Standard Model Higgs | Azimuth

Something to do with the square of the Higgs mass is important. I saw that squared mass stuff in Susskind's string theory lectures. A Regge Trajectory.

Lecture 1 | String Theory and M-Theory - YouTube

Regge theory - Wikipedia

I'll reread the Standard Model Baez link and see if it sinks in.
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Last edited by system7; Today at 09:38 AM. Reason: Added Stanford Link.
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