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  2. Angstrom - Wikipedia

    en.wikipedia.org/wiki/Angstrom

    The angstrom [1] [2] [3] [4] (/ ˈ æ ŋ s t r əm /; [3] [5] [6] ANG-strəm [5]) is a unit of length equal to 10 −10 m; that is, one ten-billionth of a metre, a ...

  3. Anders Jonas Ångström - Wikipedia

    en.wikipedia.org/wiki/Anders_Jonas_Ångström

    The Ångström unit (1 Å = 10 −10 m) in which the wavelengths of light and interatomic spacings in condensed matter are sometimes measured is named after him. [6] The unit is also used in crystallography as well as spectroscopy. The crater Ångström on the Moon is named in his honour.

  4. Resolution (structural biology) - Wikipedia

    en.wikipedia.org/wiki/Resolution_(structural...

    2.0 - 2.5: As 2.5 - 3.0, but number of sidechains in wrong rotamer is considerably less. Many small errors can normally be detected. Fold normally correct and number of errors in surface loops is small. Water molecules and small ligands become visible. 1.5 - 2.0: Few residues have wrong rotamer. Many small errors can normally be detected.

  5. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    1.75 m – (5 feet 8 inches) – height of average U.S. male human as of 2002 (source: U.S. CDC as per female above) 2.4 m – wingspan of a mute swan; 2.5 m – height of a sunflower; 2.7 m – length of a leatherback sea turtle, the largest living turtle; 2.72 m – (8 feet 11 inches) – tallest-known human (Robert Wadlow) [31] 3 m ...

  6. Lattice constant - Wikipedia

    en.wikipedia.org/wiki/Lattice_constant

    Unit cell definition using parallelepiped with lengths a, b, c and angles between the sides given by α, β, γ [1]. A lattice constant or lattice parameter is one of the physical dimensions and angles that determine the geometry of the unit cells in a crystal lattice, and is proportional to the distance between atoms in the crystal.

  7. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    = 3.048 × 10 −1 m/s 2: gal; galileo: Gal ≡ 1 cm/s 2 = 10 −2 m/s 2: inch per minute per second: ipm/s ≡ 1 in/(min⋅s) = 4.2 3 × 10 −4 m/s 2: inch per second squared: ips 2: ≡ 1 in/s 2 = 2.54 × 10 −2 m/s 2: knot per second: kn/s ≡ 1 kn/s ≈ 5.1 4 × 10 −1 m/s 2: metre per second squared (SI unit) m/s 2: ≡ 1 m/s 2 = 1 m/s ...

  8. Bohr radius - Wikipedia

    en.wikipedia.org/wiki/Bohr_radius

    5.29 × 10 −11 m (52.9 pm) The Bohr radius ( ⁠ a 0 {\displaystyle a_{0}} ⁠ ) is a physical constant , approximately equal to the most probable distance between the nucleus and the electron in a hydrogen atom in its ground state .

  9. Ångström (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Ångström_(disambiguation)

    The angstrom is a unit of length equal to 0.1 nanometre, also spelled ångström (lower case). Ångström or Angstrom may also refer to: People.