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  2. Kruskal–Szekeres coordinates - Wikipedia

    en.wikipedia.org/wiki/Kruskal–Szekeres_coordinates

    The Kruskal–Szekeres coordinates also apply to space-time around a spherical object, but in that case do not give a description of space-time inside the radius of the object. Space-time in a region where a star is collapsing into a black hole is approximated by the Kruskal–Szekeres coordinates (or by the Schwarzschild coordinates). The ...

  3. Multidimensional scaling - Wikipedia

    en.wikipedia.org/wiki/Multidimensional_scaling

    An R-square of 0.6 is considered the minimum acceptable level. [citation needed] An R-square of 0.8 is considered good for metric scaling and .9 is considered good for non-metric scaling. Other possible tests are Kruskal’s Stress, split data tests, data stability tests (i.e., eliminating one brand), and test-retest reliability.

  4. Penrose diagram - Wikipedia

    en.wikipedia.org/wiki/Penrose_diagram

    Penrose diagram of an infinite Minkowski universe, horizontal axis u, vertical axis v. In theoretical physics, a Penrose diagram (named after mathematical physicist Roger Penrose) is a two-dimensional diagram capturing the causal relations between different points in spacetime through a conformal treatment of infinity.

  5. Schwarzschild geodesics - Wikipedia

    en.wikipedia.org/wiki/Schwarzschild_geodesics

    The constant tachyonic geodesic outside is not continued by a constant geodesic inside , but rather continues into a "parallel exterior region" (see Kruskal–Szekeres coordinates). Other tachyonic solutions can enter a black hole and re-exit into the parallel exterior region.

  6. Kruskal coordinates - Wikipedia

    en.wikipedia.org/?title=Kruskal_coordinates&...

    From Wikipedia, the free encyclopedia. Redirect page. Redirect to: Kruskal–Szekeres coordinates

  7. US House speaker to pursue 'one big bill' on Trump's tax agenda

    www.aol.com/news/us-house-speaker-pursue-one...

    The U.S. House of Representatives speaker said on Sunday he would stick with a "one big bill" strategy to pass President Donald Trump's tax-cut agenda and fund border and military priorities ...

  8. Interchange instability - Wikipedia

    en.wikipedia.org/wiki/Interchange_instability

    The interchange instability, also known as the Kruskal–Schwarzschild instability or flute instability, is a type of plasma instability seen in magnetic fusion energy that is driven by the gradients in the magnetic pressure in areas where the confining magnetic field is curved.

  9. Mary A. Tolan - Pay Pals - The Huffington Post

    data.huffingtonpost.com/paypals/mary-a-tolan

    From January 2008 to August 2008, if you bought shares in companies when Mary A. Tolan joined the board, and sold them when she left, you would have a -13.1 percent return on your investment, compared to a -11.9 percent return from the S&P 500.