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re: Random thought after watching the movie Oppenheimer
Posted on 10/6/24 at 12:28 pm to Knuckle Checker
Posted on 10/6/24 at 12:28 pm to Knuckle Checker
All of the major advances in Physics that CAN be discovered, have been. We’re tinkering at the edges of whats left. And the field is infamous for pushing sensationalist shite like string theory in an attempt stimulate interest. No one cares.
Also, most of the best minds came from Europe. Now postwar, Europe has become a lazy, decadent place and doesn’t produce such men anymore. In America, all of the best minds go into computing now. Thats where the action, frontiers and money are.
Also, most of the best minds came from Europe. Now postwar, Europe has become a lazy, decadent place and doesn’t produce such men anymore. In America, all of the best minds go into computing now. Thats where the action, frontiers and money are.
2
Posted on 10/6/24 at 12:29 pm to DesScorp
quote:
All of the major advances in Physics that CAN be discovered, have been.
Posted on 10/6/24 at 12:46 pm to DavidTheGnome
quote:
DavidTheGnome
Name a major advancement in postwar Physics that was game changing, to the point where textbooks were thrown out and new ones needed to be written . Maybe, MAYBE the proof of quarks from particle accelerators.
Theres a reason Dover Publishing does a lot of business printing math and physics texts that are 60 years old. They're all still valid. You could use them for modern class work. Not much has changed in the period, and with the limitations of what we can do, nothing is likely to change in those fields in our lifetime or our childrens.
Posted on 10/6/24 at 1:07 pm to DesScorp
quote:
Name a major advancement in postwar Physics that was game changing, to the point where textbooks were thrown out and new ones needed to be written .
Quick AI answer.
In the last 50 years, physics has seen significant advances including the development of the Standard Model of particle physics, the discovery of the Higgs boson, the observation of gravitational waves, advancements in quantum computing, the study of cosmic microwave background radiation, and breakthroughs in astrophysics with new observations of black holes and the universe's expansion rate, largely enabled by improved instrumentation and computational power.
Key areas of progress:
Particle Physics:
Standard Model Completion: The Standard Model of elementary particles was solidified with the discovery of the Higgs boson in 2012, which explains the mass of other particles.
Neutrino Physics: Continued research on neutrinos, including the observation of neutrino oscillations, indicating they have mass.
Cosmology:
Cosmic Microwave Background (CMB): Detailed studies of the CMB radiation have provided strong evidence for the Big Bang theory and inflationary cosmology.
Dark Matter and Dark Energy: Ongoing research into the nature of dark matter and dark energy, which dominate the universe's energy density.
Gravitational Waves: The first direct detection of gravitational waves from merging black holes, opening a new window to observe the universe.
Quantum Physics:
Quantum Computing: Development of quantum computing technology with potential for significant computational advancements.
Quantum Entanglement: Further experimental verification of quantum entanglement, leading to potential applications in quantum communication.
Bose-Einstein Condensates (BEC): Creation of BECs, allowing for precise studies of quantum phenomena.
Astrophysics:
Black Hole Imaging: Capturing the first image of a black hole using event horizon telescopes.
Exoplanets: Discovery of thousands of exoplanets, expanding our understanding of planetary systems
Posted on 10/6/24 at 2:40 pm to DavidTheGnome
quote:
Quick AI answer.
In the last 50 years, physics has seen significant advances including the development of the Standard Model of particle physics, the discovery of the Higgs boson, the observation of gravitational waves, advancements in quantum computing, the study of cosmic microwave background radiation, and breakthroughs in astrophysics with new observations of black holes and the universe's expansion rate, largely enabled by improved instrumentation and computational power.
Key areas of progress:.........
To the OP's point, every single item on this list was either predicted more or less by those guys working in the first half of the 20th Century, or it's an applied extension of their work, ie, quantum computing.
Our problem is that we are hemmed in by both our present technology's ability to measure things and our present lack of understanding of fundamental things like gravity, the nature of light (wave or particle?), spacetime, etc.
Posted on 10/6/24 at 3:09 pm to Knuckle Checker
They work for Raytheon and Lockheed Martin and you don't hear about them, knucklehead
Posted on 10/6/24 at 5:17 pm to Knuckle Checker
No Fritz London?
Posted on 10/6/24 at 6:19 pm to TigerHornII
quote:
To the OP's point, every single item on this list was either predicted more or less by those guys working in the first half of the 20th Century, or it's an applied extension of their work, ie, quantum computing.
I can assure you the Higgs Boson was not theorized back in the 40s. Neither was quantum computing. Nor the idea of dark energy
This post was edited on 10/6/24 at 6:32 pm
Posted on 10/6/24 at 6:20 pm to Knuckle Checker
quote:
Where are all the geniuses that are making advancements?
I think it’s a combination of things.
1. The 20th century saw by far the biggest leap in scientific and technological advancement the world has ever seen. It is a major outlier historically.
2. Science was at the forefront of a lot things that had great political consequence. Building the atomic bomb, landing on the Moon, etc.
3. The world just isn’t ripe for people in those fields to become household names.
It’s like a deleted scene from T2 when Sarah Connor is old and John Connor is a senator because Judgement Day didn’t happen. Instead of going down in history as a George Washington type of figure, Connor is just another senator or maybe an inconsequential (relatively speaking) president. All because of circumstances.
This post was edited on 10/6/24 at 6:22 pm
Posted on 10/6/24 at 6:35 pm to Knuckle Checker
quote:
Where are all the geniuses that are making advancements?
You are advertising your unfamiliarity with what’s going on in academia today. Just because you only know what you know from movies and tv, doesn’t mean that America’s research scientists don’t exist anymore.
Posted on 10/6/24 at 6:38 pm to Knuckle Checker
And a fair argument that the scientists that made the largest impact in the victory over Japan were the Harvard chemists under the direction of Louis Fieser.
Chemists aren’t as sexy as the physicists.
Chemists aren’t as sexy as the physicists.
Posted on 10/6/24 at 6:48 pm to TBoy
quote:
Chemists aren’t as sexy as the physicists.
True and chemistry and material science were arguably as important as physics to the Manhattan Project.
On the other hand, none of that shite happens without Fermi.
This post was edited on 10/6/24 at 6:49 pm
Posted on 10/6/24 at 6:50 pm to DavidTheGnome
quote:
Dark Matter and Dark Energy: Ongoing research into the nature of dark matter and dark energy, which dominate the universe's energy density.
Einstein knew about this and he knew about black holes. Studying them isn’t any progress. Einstein was studying them.
Posted on 10/6/24 at 6:58 pm to TBoy
quote:
And a fair argument that the scientists that made the largest impact in the victory over Japan were the Harvard chemists under the direction of Louis Fieser.
I think it is more than a fair argument I think presented properly it is massively convincing. Incendiary bombs and firebombing already had them on their knees. The atomic bombs were "just" the coup de grace which going a bit out on a limb may not have actually been needed.
Posted on 10/6/24 at 7:09 pm to Obtuse1
quote:
Incendiary bombs and firebombing already had them on their knees.
We use these phrases because it would now be embarrassing to say that we bombed almost every Japanese city with tons of napalm (which is what we did, burning to death more than a half a million civilians).
Posted on 10/6/24 at 7:14 pm to DavidTheGnome
quote:
I can assure you the Higgs Boson was not theorized back in the 40s.
It was not. However, it was theorized back in the 60s and the scientists who did so were basing it off the earlier work of Paul Dirac, Hideki Yukawa, Richard Feynman, and other physicists from the 20s, 30s, and 40s.
Posted on 10/6/24 at 7:16 pm to Knuckle Checker
quote:
Einstein was studying them.
So was Oppenheimer. He had a paper on black holes published the same day Nazi Germany invaded Poland.
Posted on 10/6/24 at 7:22 pm to TBoy
quote:
We use these phrases
I personally don't view incendiary bombs as a euphemism. It immediately evokes napalm or white phosphorous to me both of which are terrifying on the battlefield. I would much rather get vaporized with a tac nuke dropped on my head than go out like Thich Quang Duc and at least he and the other monks made a conscious choice as insane as I think it was.
Posted on 10/6/24 at 7:22 pm to DavidTheGnome
quote:
I can assure you the Higgs Boson was not theorized back in the 40s. Neither was quantum computing. Nor the idea of dark energy
As with the Higgs Boson, quantum computing is an extension of what was already theorized, more engineering than pure science. As for dark matter, we still can't even decide if it's real or not, and again, it is more or less a fudge factor to account for missing mass that should be there - again an extension of older work.
Don't get me wrong - extensions and expansions of fundamentals are often the hardest part, just as commercialization is the hardest step of developing a new technology. The point though is that we have not made a fundamental breakthrough in understanding how the universe works in a very long time.
Posted on 10/6/24 at 7:32 pm to SantaFe
quote:this . Imagine low cost power (think $0.01/kw-hr) and low cost long distance personal travel (go from New York to LA for $50 in your “car” in 3 hours).
economically harness Fusion power and those that can negate the force of gravity.
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