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  2. AST SpaceMobile - Wikipedia

    en.wikipedia.org/wiki/AST_SpaceMobile

    AST SpaceMobile is a publicly traded satellite designer and manufacturer based in Midland, Texas, United States. [4] [5] The company is building the SpaceMobile satellite constellation, a space-based cellular broadband network that will allow existing, unmodified smartphones to connect to satellites in areas with coverage gaps. [6]

  3. Atomic units - Wikipedia

    en.wikipedia.org/wiki/Atomic_units

    In 1957, Bethe and Salpeter's book Quantum mechanics of one-and two-electron atoms [3] built on Hartree's units, which they called atomic units abbreviated "a.u.". They chose to use ⁠ ℏ {\displaystyle \hbar } ⁠ , their unit of action and angular momentum in place of Hartree's length as the base units.

  4. Standard atomic weight - Wikipedia

    en.wikipedia.org/wiki/Standard_atomic_weight

    Example: copper in terrestrial sources. Two isotopes are present: copper-63 (62.9) and copper-65 (64.9), in abundances 69% + 31%. The standard atomic weight (A r °(Cu)) for copper is the average, weighted by their natural abundance, and then divided by the atomic mass constant m u.

  5. The Challenge: All Stars season 3 - Wikipedia

    en.wikipedia.org/wiki/The_Challenge:_All_Stars...

    The position of the different stars in each row forms the numbers to a four-digit code. The first player in each matchup to determine the code and use it to unlock a box wins. Third leg: Pairs race to a beach, enter a tandem kayak and paddle across the water to the next checkpoint. Checkpoint #3: Players begin on a floating platform. The first ...

  6. Elemental - Wikipedia

    en.wikipedia.org/wiki/Elemental

    Undine Rising From the Waters, by Chauncey Bradley Ives Rococo set of personification figurines of the Four Elements, 1760s, Chelsea porcelain. An elemental is a mythic supernatural being that is described in occult and alchemical works from around the time of the European Renaissance, and particularly elaborated in the 16th century works of Paracelsus.

  7. Elemental analysis - Wikipedia

    en.wikipedia.org/wiki/Elemental_analysis

    Elemental analysis is a process where a sample of some material (e.g., soil, waste or drinking water, bodily fluids, minerals, chemical compounds) is analyzed for its elemental and sometimes isotopic composition.

  8. Association for Talent Development - Wikipedia

    en.wikipedia.org/wiki/Association_for_Talent...

    In 1964, the association changed its name to the American Society for Training & Development. ASTD eventually widened its focus to connect learning and performance with business results. In 2000, the organization chose to refer to itself just by the letters ASTD, to underscore that it wanted to broaden its scope as a professional organization.

  9. Return to the Temple of Elemental Evil - Wikipedia

    en.wikipedia.org/wiki/Return_to_the_Temple_of...

    Return to the Temple of Elemental Evil; Code: 11843: Rules required: 3rd Edition D&D: Character levels: 4 - 14: Campaign setting: Greyhawk: Authors: Monte Cook: First published: 2001: Linked modules; The Temple of Elemental Evil Return to the Temple of Elemental Evil Princes of the Apocalypse