3 ms·

You're confusing antimatter with dark matter.

by OscarCunningham 2y ago

nsxwolf 2y ago
With a splash of antimass in that confusion too
- westurner 2y ago
  My mistake, my mistake. It seems I had my Antimatter confused with mah Dark matter. Antimatter: https://en.wikipedia.org/wiki/Antimatter https://en.wikipedia.org/wiki/Antimatter Dark matter: https://en.wikipedia.org/wiki/Dark_matter https://en.wikipedia.org/wiki/Dark_matter Antimass: I and the Internet have never heard of antimass. Negative mass: https://en.wikipedia.org/wiki/Negative_mass https://en.wikipedia.org/wiki/Negative_mass Dark energy: https://en.wikipedia.org/wiki/Dark_energy https://en.wikipedia.org/wiki/Dark_energy Dark fluid: https://en.wikipedia.org/wiki/Dark_fluid https://en.wikipedia.org/wiki/Dark_fluid : > Dark fluid goes beyond dark matter and dark energy in that it predicts a continuous range of attractive and repulsive qualities under various matter density cases. Indeed, special cases of various other gravitational theories are reproduced by dark fluid, e.g. inflation, quintessence, k-essence, f(R), Generalized Einstein-Aether f(K), MOND, TeVeS, BSTV, etc. Dark fluid theory also suggests new models, such as a certain f(K+R) model that suggests interesting corrections to MOND that depend on redshift and density
  - nsxwolf 2y ago
    Negative mass was what I was going for with "antimass". For some reason I thought that was a common term but I guess it is not.
    - westurner 2y ago
      Not sure why I confused the terms. FWIU this Superfluid Quantum Gravity rejects dark matter and/or negative mass in favor of supervaucuous supervacuum, but I don't think it attempts to predict other phases and interactions like Dark fluid theory? From "Show HN: Physically accurate black hole simulation using your iPhone camera" https://news.ycombinator.com/item?id=42191692 https://news.ycombinator.com/item?id=42191692 : > Ctrl-F Fedi , Bernoulli, Gross-Pitaevskii: >> "Gravity as a fluid dynamic phenomenon in a superfluid quantum space. Fluid quantum gravity and relativity." (2015) https://hal.science/hal-01248015/ https://hal.science/hal-01248015/ There's a newer paper on it. Alternatives to general relativity > Testing of alternatives to general relativity: https://en.wikipedia.org/wiki/Alternatives_to_general_relativity#Testing_of_alternatives_to_general_relativity https://en.wikipedia.org/wiki/Alternatives_to_general_relati... The new Sagittarius* black hole image with phase might help with discarding models unsupported by evidence. Are those knots or braids or fields around a vortical superfluidic attractor system? There doesn't at all appear to be a hard boundary Schwarzschild radius. But that's about not dark matter not antimatter.

You're confusing antimatter with dark matter.

nsxwolf 2y ago

With a splash of antimass in that confusion too

westurner 2y ago
My mistake, my mistake. It seems I had my Antimatter confused with mah Dark matter. Antimatter: https://en.wikipedia.org/wiki/Antimatter https://en.wikipedia.org/wiki/Antimatter Dark matter: https://en.wikipedia.org/wiki/Dark_matter https://en.wikipedia.org/wiki/Dark_matter Antimass: I and the Internet have never heard of antimass. Negative mass: https://en.wikipedia.org/wiki/Negative_mass https://en.wikipedia.org/wiki/Negative_mass Dark energy: https://en.wikipedia.org/wiki/Dark_energy https://en.wikipedia.org/wiki/Dark_energy Dark fluid: https://en.wikipedia.org/wiki/Dark_fluid https://en.wikipedia.org/wiki/Dark_fluid : > Dark fluid goes beyond dark matter and dark energy in that it predicts a continuous range of attractive and repulsive qualities under various matter density cases. Indeed, special cases of various other gravitational theories are reproduced by dark fluid, e.g. inflation, quintessence, k-essence, f(R), Generalized Einstein-Aether f(K), MOND, TeVeS, BSTV, etc. Dark fluid theory also suggests new models, such as a certain f(K+R) model that suggests interesting corrections to MOND that depend on redshift and density
- nsxwolf 2y ago
  Negative mass was what I was going for with "antimass". For some reason I thought that was a common term but I guess it is not.
  - westurner 2y ago
    Not sure why I confused the terms. FWIU this Superfluid Quantum Gravity rejects dark matter and/or negative mass in favor of supervaucuous supervacuum, but I don't think it attempts to predict other phases and interactions like Dark fluid theory? From "Show HN: Physically accurate black hole simulation using your iPhone camera" https://news.ycombinator.com/item?id=42191692 https://news.ycombinator.com/item?id=42191692 : > Ctrl-F Fedi , Bernoulli, Gross-Pitaevskii: >> "Gravity as a fluid dynamic phenomenon in a superfluid quantum space. Fluid quantum gravity and relativity." (2015) https://hal.science/hal-01248015/ https://hal.science/hal-01248015/ There's a newer paper on it. Alternatives to general relativity > Testing of alternatives to general relativity: https://en.wikipedia.org/wiki/Alternatives_to_general_relativity#Testing_of_alternatives_to_general_relativity https://en.wikipedia.org/wiki/Alternatives_to_general_relati... The new Sagittarius* black hole image with phase might help with discarding models unsupported by evidence. Are those knots or braids or fields around a vortical superfluidic attractor system? There doesn't at all appear to be a hard boundary Schwarzschild radius. But that's about not dark matter not antimatter.