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URL: http://physics.nist.gov/cuu/Constants/index.html URL: http://physics.nist.gov/cuu/Units/SIdiagram.html URL: http://physics.nist.gov/PhysRefData/contents.html
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URL: http://physics.nist.gov/cuu/Constants
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URL: http://physics.nist.gov/GenInt/STM/stm.html
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URL: http://physics.nist.gov/Divisions/Div842/Gp4/group4.html
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URL: http://physics.nist.gov/cuu/Constants/energy.html
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URL: http://physics.nist.gov/PhysRefData
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URL: http://physics.nist.gov/MajResFac/EBIT/ebit.html
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URL: http://physics.nist.gov/Pubs/AtSpec/index.html
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URL: http://physics.nist.gov/GenInt/Parity/cover.html
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URL: http://physics.nist.gov/cuu/Uncertainty/index.html
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URL: http://physics.nist.gov/PhysRefData/IonEnergy/ionEnergy.html
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URL: http://physics.nist.gov/GenInt/Curie/main.html
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URL: http://physics.nist.gov/cuu/Units/bibliography.html
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URL: http://physics.nist.gov URL: http://physics.nist.gov/GenInt/Time/time.html URL: http://physics.nist.gov/cuu/Units/index.html
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URL: http://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=
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URL: http://physics.nist.gov/Divisions/Div844/facilities/vision/color.html
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Tweets about physics.nist.gov

  • @Only1TDemps technically time moves at exactly the same rate the second defined as radiation time of cesium 133 atoms
  • @taiba_t 一応単位系に関するページも覗いてみたのですが、たしかにそう書いてありました (#15 Unit spacing) でもスペースないのに慣れてると若干違和感ありますね……