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Showing content with the highest reputation on 09/06/24 in all areas

  1. Using AI technology for the power of good, a former Google employee made all of the 900 some odd pages of Project 2025 searchable and filterable by topic area. Not all heroes wear capes. https://www.25and.me/?topics=
    2 points
  2. LQG (loop quantum gravity) predicts the minutest dependence of the speed of light on frequency, which would be best detectable on large populations of high-energy photons with very long astrophysical paths. A good candidate to test this would be a very far away (=> very early) gamma ray burst. GRB 221009A stepped forward some years ago. From: Stringent Tests of Lorentz Invariance Violation from LHAASO Observations of GRB 221009A Although this doesn't totally do away with LQG, it seems to rule out a vast landscape of the LQG parameter space. The somewhat less hyped version of these news is that we are a tad surer that LIV does not occur in Nature.
    1 point
  3. 1 point
  4. Unexpected that these beaches look the same at a distance, yet they are different on closer inspection: Top: A beach in northern France covered by pebbles. All* of them are egg shaped. Bottom: A beach in northern Sweden; all* of the stones are flat like "coins". Why are the stones on the Swedish beach flat? Educated guess: *) The vast majority at least; during a short walk no family member observed any flat stone on the French beach or egg shaped stone on the Swedish beach.
    1 point
  5. Way to go, Joigus. When Super String Theory failed to meet requirements, I had some hope Loop Quantum Gravity might still come through. Now you've dashed those hopes also ... Seriously, it was my understanding, and it's mentioned in your link also. that SoL dependence on frequency was a characteristic of some flavors of LQG, not all. Just exactly how large is the 'LQG landscape' ? Surely it isn't as large as that of String Theory ?
    1 point
  6. No it is the lack of any understanding of Einstein's work and life that does the damage, to my mind. It's full of of nonsense such as "exciting" matter to the speed of light (impossible and irrelevant), the notion that E=mc² is some sort of key to making an atom bomb (which it isn't) and so on. Einstein never worked on nuclear fission and his contributions to physics didn't enable anyone to build one. He had nothing to do with Germany's failure to produce an atom bomb. You may possibly be confusing him with Heisenberg, who did work on the German bomb project. Einstein's sole intervention regarding the atom bomb was to sign the letter to President Roosevelt warning of Germany's capacity to build a bomb. The letter was not drafted by Einstein but by Hungarian physicists: Leo Szilard, in conjunction with Edward Teller and Eugene Wigner. In fact they had to explain to Einstein that it was possible to make a fission bomb, as it had never occurred to him. They then persuaded Einstein to sign the letter, as they rightly believed that would ensure the President would read it, their previous attempts to warn the US government having been ignored. So what your story needs, first of all, is a bit of basic research into what Einstein did and the actual history of it. And, if you don't understand the science, don't make up preposterous stuff about phasing effects and atoms lining up. Steer clear of technical details: they add nothing to the storyline in any case and just make the story look silly.
    1 point
  7. It heals and does only superficial damage. However, it stings like a son of a b*tch.
    1 point
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