Holy cow... theoretical physics has become something else...

Muse

Lifer
Jul 11, 2001
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Theoretical physics fascinated me at one time. My first major was physics. I fell out of love with it and graduated in mathematics.

My cousin's husband was a professor of physics at Oxford and heavily into string theory (I asked him about it some 15 years ago, don't remember what we said). I just hit the Wikipedia page on it, and it's nothing short of astounding. Judging from what I just read here I'd say that presently there is nothing like a unified theory or set of compatible theories.

Edit: ... well maybe something but problems remain, seemingly a plethora of problems. So many attempts in so many ways by so many people.

 
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DigDog

Lifer
Jun 3, 2011
14,253
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there is no unified theory at this time.
string theory was found to be mostly a dead end. obviously a lot of good research has been done to disprove it, so it wasnt wasted time.
the current focus is, on the energy potential of empty space, on quantum foam, and the physical shape (and other properties) of empty space.

i mostly just follow Anton Petrov on youtube; excellent videos, but not necessarily focused on timespace.
PBS Timespace instead, as you can guess, does focus on timespace, but tends to be somewhat sensationalistic. Sensationalism is science is a massive problem, because, good science doesn't sell. I would stay away from Michio Kaku or Sabrine Hoffsteader, for example.
 

Muse

Lifer
Jul 11, 2001
39,942
9,627
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there is no unified theory at this time.
string theory was found to be mostly a dead end.
But it was resurrected with considerable success. The extensive Wikipedia treatment touches on that and so so much more. It's titled String Theory but evidently treats (touches on) pretty much the whole gamut of notable modern cosmology, astro-physics, nuclear physics, particle physics, space, dark matter and related concepts... you name it.
 
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KMFJD

Lifer
Aug 11, 2005
31,557
49,443
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I've become a fan of Angela Colliers videos, i find she explains things in terms i can understand a bit better

 

DigDog

Lifer
Jun 3, 2011
14,253
2,716
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But it was resurrected with considerable success. The extensive Wikipedia treatment touches on that and so so much more. It's titled String Theory but evidently treats (touches on) pretty much the whole gamut of notable modern cosmology, astro-physics, nuclear physics, particle physics, space, dark matter and related concepts... you name it.
hey, i bought into p-branes as much as the next guy .. 20 years ago.

I would just recommend a bunch of videos from that Anton guy. You will likely note that, most tend to be "scientists X have made observation Y about phenomenon Z and they behave nothing like our previous theories suggested" over and over again. The advent of the JWST has provided us with an absolute torrent of new and, unexplainable observations, so right now, at this very point in time, pretty much every single theory out there is in doubt, including some very basic ones. Whether you consider this an exciting time for science, or a time of panic, is down to how much you care to know stuff for a fact, or if you can just enjoy the amazement that we understand absolutely fuck all about .. uh .. anything.
Things which were pretty much set in stone until prior to the launch of JWST, but are now in doubt:
the cosmological constant
the expansion of the universe
the age of the universe
the big bang and the CMBr
dark matter
pretty much every single predicted behaviour of black holes
the nature of empty space
gravity
etc
 
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[DHT]Osiris

Lifer
Dec 15, 2015
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hey, i bought into p-branes as much as the next guy .. 20 years ago.

I would just recommend a bunch of videos from that Anton guy. You will likely note that, most tend to be "scientists X have made observation Y about phenomenon Z and they behave nothing like our previous theories suggested" over and over again. The advent of the JWST has provided us with an absolute torrent of new and, unexplainable observations, so right now, at this very point in time, pretty much every single theory out there is in doubt, including some very basic ones. Whether you consider this an exciting time for science, or a time of panic, is down to how much you care to know stuff for a fact, or if you can just enjoy the amazement that we understand absolutely fuck all about .. uh .. anything.
Things which were pretty much set in stone until prior to the launch of JWST, but are now in doubt:
the cosmological constant
the expansion of the universe
the age of the universe
the big bang and the CMBr
dark matter
pretty much every single predicted behaviour of black holes
the nature of empty space
gravity
etc
Our universe is a simulation full of approximations we call inconsistencies, as well as programmatic bandaids/shortcuts that are only visible past certain fidelity thresholds, either distance or sizes, that sit outside the intended observation constraints expected from the residents.
 

Muse

Lifer
Jul 11, 2001
39,942
9,627
136
Our universe is a simulation full of approximations we call inconsistencies, as well as programmatic bandaids/shortcuts that are only visible past certain fidelity thresholds, either distance or sizes, that sit outside the intended observation constraints expected from the residents.
If you insist, well, you do you.