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  1. en.wikipedia.org › wiki › Atomic_clockAtomic clock - Wikipedia

    Hace 21 horas · A number of national metrology laboratories maintain atomic clocks: including Paris Observatory, the Physikalisch-Technische Bundesanstalt (PTB) in Germany, the National Institute of Standards and Technology in Colorado and Maryland, USA, JILA in the University of Colorado Boulder, the National Physical Laboratory (NPL) in the United Kingdom, and the All-Russian Scientific Research Institute ...

  2. Hace 21 horas · History Early history Robert Rollock, Regent (1583–1586) and first principal (1586–1599) of the University of Edinburgh In 1557, Bishop Robert Reid of St Magnus Cathedral on Orkney made a will containing an endowment of 8,000 merks to build a college in Edinburgh. Unusually for his time, Reid's vision included the teaching of rhetoric and poetry, alongside more traditional subjects such as ...