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  2. List of quantum-mechanical systems with analytical solutions

    en.wikipedia.org/wiki/List_of_quantum-mechanical...

    which is an eigenvalue equation. Very often, only numerical solutions to the Schrödinger equation can be found for a given physical system and its associated potential energy. However, there exists a subset of physical systems for which the form of the eigenfunctions and their associated energies, or eigenvalues, can be found.

  3. U.S. Army Corps of Engineers Bay Model - Wikipedia

    en.wikipedia.org/wiki/U.S._Army_Corps_of...

    The scale of the model is 1:1000 on the horizontal axis and 1:100 on the vertical axis. The model operates at a time scale of 1:100. [6] The model is distorted by a factor of ten between the horizontal and vertical scales. The distortion is designed into the model to ensure a proper hydraulic flow over the tidal flats and shallows.

  4. Mathematical formulation of the Standard Model - Wikipedia

    en.wikipedia.org/wiki/Mathematical_formulation...

    Standard Model of Particle Physics. The diagram shows the elementary particles of the Standard Model (the Higgs boson, the three generations of quarks and leptons, and the gauge bosons), including their names, masses, spins, charges, chiralities, and interactions with the strong, weak and electromagnetic forces.

  5. San Diego Model Railroad Museum - Wikipedia

    en.wikipedia.org/wiki/San_Diego_Model_Railroad...

    At 27,000 sq. ft., it is the largest model railroad museum in North America. It was visited by nearly three million people in its first three decades. [3] The museum is a 501(c)(3) organization non-profit charity. A model of the San Diego Union Station at the San Diego Model Railroad Museum along with a number of model trains.

  6. Quark model - Wikipedia

    en.wikipedia.org/wiki/Quark_model

    All quarks are assigned a baryon number of ⁠ 1 / 3 ⁠. Up, charm and top quarks have an electric charge of + ⁠ 2 / 3 ⁠, while the down, strange, and bottom quarks have an electric charge of − ⁠ 1 / 3 ⁠. Antiquarks have the opposite quantum numbers. Quarks are spin-⁠ 1 / 2 ⁠ particles, and thus fermions. Each quark or antiquark ...

  7. The 20 best Walmart deals this week: Bedding, beauty ... - AOL

    www.aol.com/lifestyle/the-20-best-walmart-deals...

    Crock-Pot Manual 7-Quart Slow Cooker. $30. Enjoy soups, stews, hot dips and more without the cleanup with this one-pot slow cooker from Crock-Pot. ... With more than 14,000 reviews and a 4.5-star ...

  8. List of unsolved problems in physics - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    The following is a list of notable unsolved problems grouped into broad areas of physics. [1]Some of the major unsolved problems in physics are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result.

  9. Revere Ware - Wikipedia

    en.wikipedia.org/wiki/Revere_Ware

    Notes on Specialty items: The 1 qt. Combination Pan can be identified by its straight walled construction, opposed to a Skillet's flared walls, and will be stamped "1 qt." on post-1968 pieces. Revere Ware 8" 1488 Breakfast Unit Egg Poacher with four removable stainless steel cups.