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cfcf14 | 1 year ago

So uh, things are not looking so good for actual physics these days, I gather?

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oefrha|1 year ago

Former high energy theorist here: things are not looking so good for high energy physics (both theoretical and experimental) which loosely speaking accounted for maybe 1/3-1/2 of Nobel Prizes in the 20th century. That’s part of the reason I got out. I’m inclined to say astrophysics and cosmology, another pillar of the fundamental understanding of the universe, isn’t doing that well either, probably in the okayish but not as exciting as it used to be territory. I’m not qualified to talk about other fields.

dotnet00|1 year ago

I think saying they're not looking good might be a bit of an exaggeration. Technological developments in both high energy physics and astrophysics stuff are in-between generations of technology right now, which is why things are a bit slower than usual.

With astrophysics, we're probably going to need the more sensitive gravitational wave detectors that are in development to become operational for new big breakthroughs. With high energy physics, many particle colliders and synchrotron light sources seem to be undergoing major upgrades these days. While particle colliders tend to get the spotlight in the public eye and are in a weird spot regarding the expected research outcomes, light sources are still doing pretty well afaik.

This Nobel I think is mainly because AI has overwhelmingly dominated the public's perception of scientific/technological progress this year.

juanjmanfredi|1 year ago

What are you considering "high energy physics"? "1/3-1/2 of Nobel Prizes in the 20th century" is a significant overestimation unless you are including topics not traditionally included in high energy physics. For example, there were many Nobel prizes in nuclear physics, which shares various parallels with high energy physics in terms of historical origins, experimental techniques, and theoretical foundations. But nuclear physics is in a very exciting era of experimental and theoretical developments, so your "not looking so good" description does not apply.

nullindividual|1 year ago

As a layman, the visualization of black holes, the superstructure above and below the Milky Way, JWST’s distant galaxy discoveries, gravitational wave detectors as mentioned, and some of the Kuiper Belt observations all seem to be interesting and exciting.

Oh and the death of string theory!

sva_|1 year ago

Interesting thought. I hear some voices saying theoretical physics is stuck with string theory, but am not really qualified to make a judgement.

rty32|1 year ago

Nobel prize was awarded to theoretical work in 2021: https://www.nobelprize.org/prizes/physics/2021/popular-infor...

"theoretical physics" is such a big and ambiguous concept that physicists tend not to use the word in discussions. Thereotical work often involves a lot of numerical simulation on super computers these days which are kind of their own "experiments". And it is usually more productive to just mention the specific field, e.g. astronomy, condensed matter, AMO etc, and you can be sure there is always a lot of discoveries in each area.

drpossum|1 year ago

Physics is not stuck in string theory as physics is not just high energy theoretical particle physics. There's also more going on in high energy theoretical particle physics than just "string theory".

optimalsolver|1 year ago

Well I'm sure a $50 billion collider will fix things.

fnands|1 year ago

Please bro just one more collider. Just one more collider bro. I swear bro we're gonna fix physics forever. Just one more collider bro. We could go up or even underground. Please bro just one more collider.