{
  "name": "Visible light and electron wavelengths in a scanning electron microscope",
  "desc": "The wavelengths humans perceive as color, the constants used, and the wavelength of electrons accelerated through 1, 5 and 30 kV, computed for this page, one value per row",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Ants, Cells & Atoms",
  "url": "https://antscellsandatoms.com/microscopic-life/borrowed-color/",
  "from": [
    "CODATA 2022 constants and the visible range, typed from the sources listed in data_credit"
  ],
  "how": "Compiled by Ants, Cells & Atoms from the data listed",
  "data_by": [
    "Song B-M, Lee C-H 2018, Frontiers in Neural Circuits 12:16, CC BY 4.0, https://doi.org/10.3389/fncir.2018.00016 (human visible spectrum 400-700 nm), retrieved 2026-10-24",
    "CODATA 2022 recommended values, NIST, https://physics.nist.gov/cuu/Constants/ (Planck constant, elementary charge, electron mass, speed of light); electron wavelengths computed 2026-10-24"
  ]
}