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  1. lpetrich

    Columbia University is colluding with the far-right in its attack on students

    Business titans privately urged NYC mayor to use police on Columbia protesters, chats show - The Washington Post - "A WhatsApp chat started by some wealthy Americans after the Oct. 7 Hamas attack reveals their focus on Mayor Eric Adams and their work to shape U.S. opinion of the Gaza war." NYC...
  2. lpetrich

    Black Holes: Some Recent Observations

    ...that the observed departure from GR is less than about 10-3. In terms of other alternate-gravity parameters, this effect has a multiplier of 4*b - g - 3 - (10/3)*xi - a1 + (2/3)*a2 - (2/3)*z1 - (1/3)*z2 Of these, in GR, xi = a1 = a2 = z1 = z2 = 0. Spin precession This has two types, which...
  3. lpetrich

    Merged Gaza just launched an unprovoked attack on Israel

    ...hoo hoo hoo. Don't call it genocide." has joined "Boo hoo hoo hoo hoo. Don't call us racists." it seems. It was implied by your presumption that *every* Gazan is a legitimate target. Trying to shift the burden of proof. Empty assertion. Cry me a river about Hamas. What would you consider...
  4. lpetrich

    Black Holes: Some Recent Observations

    ...to GR has a parameter, g (gamma), that is (space curvature) / (time curvature) that GR predicts to be 1. Deflection = (Newton-Soldner) * (1 + g) = (GR) * (1 + g) / 2 It was first measured in a solar eclipse in 1919, and it agreed wiith GR, though with big error bars, about 30%. Einstein...
  5. lpetrich

    Black Holes: Some Recent Observations

    ...variety of experiments: Earth-based, Earth orbit, the Sun, white dwarfs, galaxy clusters, and S2, a star near our Galaxy's central black hole Sgr A*. GPS and Relativity - at their altitude, GPS satellites run fast by about 38 microseconds per day. This is: 45 mcsec/d from the Earth's...
  6. lpetrich

    Roe v Wade is on deck

    Reproductive Freedom for All - Reproductive Freedom for All formerly NARAL, the National Association for the Repeal of Abortion Laws, then the National Abortion Rights Action League. Its leadership is largely female. I checked on "Women's Health Protection Act", introduced in Congress by Rep...
  7. lpetrich

    Merged Gaza just launched an unprovoked attack on Israel

    Seems like a great pretext for genocide. All men are evil enemies. All women are support personnel for evil enemies. All children are future evil enemies or else future support personnel for evil enemies. 'Israel must be stopped' in Gaza, South Africa tells World Court | Reuters ICC prosecutor...
  8. lpetrich

    Black Holes: Some Recent Observations

    ...making one parameter drop out, leaving 3. He then recognized that he fixed all but the radial coordinate, so he fixed that one also, as 1/(2*pi)*circumference, so he got only 2. He could then solve the resulting GR equations in the empty-space case, giving his solution. A little over two...
  9. lpetrich

    Black Holes: Some Recent Observations

    ...for coordinate differences, using what's called the "metric tensor" of coefficients that can be arbitrary functions. For n dimensions, it has (1/2)*n*(n+1) components, so for space-time, it has 10 components. The mathematics of deriving curvature from these coefficients is rather horribly...
  10. lpetrich

    Democrats trying to unseat each other III

    Consider Clintoncare. It was a big fat mess that the Clinton Admin took a year to work on, but when it was released, the Clintonites whimpered and came close to apologizing for having introduced it. They let the insurance lobby run its "Harry and Louise" ads without running any "Gary and Denise"...
  11. lpetrich

    Language as a Clue to Prehistory

    Steven Dutch: "So here goes with a list of some academic disciplines where the rhetoric suggests that some participants have crossed the line into pseudoscience. In every case it's the conservatives." His examples: Extreme Paleolinguistics, Communication with other Species, Quasicrystals...
  12. lpetrich

    Language as a Clue to Prehistory

    When Scientists Drift into Pseudoscience by geologist Steve Dutch Then noting anti-drift geologists getting unhinged in the late 1960's and early 1970's, as continental drift became generally accepted. Like some anti-drifters claiming that drifters use flat maps rather than spherical geometry...
  13. lpetrich

    Merged Gaza just launched an unprovoked attack on Israel

    For all those people who get hopelessly distraught whenever anyone uses the word "socialism", Sewer socialism Working within the system to make Infrastructure and good government and good education and public health -- one would have to be a hard-boiled right-winger to consider this...
  14. lpetrich

    Language as a Clue to Prehistory

    That paper adds to the evidence of dispersion from the Pontic-Caspian Steppe - Ukraine and S European Russia - around 4000 - 3000 BCE, a dispersion of Proto-Indo-European-speaking people. Linguistic homeland Automated Dating of the World’s Language Families Based on Lexical Similarity | Current...
  15. lpetrich

    The Race For 2024

    Let's see how Nikki Haley did in the most recent primaries. Maryland: 20% (83% counted), Nebraska 17.2%, West Virginia 9.4%. A sizable protest vote there also.
  16. lpetrich

    Visualizing Continental Drift

    I've found a lot of maps and videos of continent positions over geological time, but I've had difficulty finding some visualization where one can look from any direction. I've written a "Globe Viewer" app, but it would need to be cleaned up before release, and I'd need some copy-permitted set of...
  17. lpetrich

    Merged Gaza just launched an unprovoked attack on Israel

    AOC seems very careful and responsible. Not just AOC. AOC herself has been busy. Ayanna Pressley D-MA 0.05, Ilhan Omar D-MN: 0.09, AOC D-NY: 0.10 Not just The Squad. Sara Jacobs D-CA 0.12 Great job.
  18. lpetrich

    Merged Gaza just launched an unprovoked attack on Israel

    Opinion | How the Squad and Like-Minded Progressives Have Changed Their Party - The New York Times - April 23, 2024 Starting off by calling them "far-left", even though they are essentially sewer socialists, as in the wastewater-disposal plumbing. Then describing how the rest of the Democratic...
  19. lpetrich

    Democrats trying to unseat each other III

    Opinion | How the Squad and Like-Minded Progressives Have Changed Their Party - The New York Times - April 23, 2024 What they advocate is a form of Sewer socialism Back in 2019, NP dismissed them as irrelevant. “All these people have their public whatever and their Twitter world. But they...
  20. lpetrich

    Alexandria Ocasio-Cortez

    The Green New Deal for Public Housing with AOC - YouTube (slightly edited) AOC imagines good public housing:
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