H Home Background Color: He Li Be Black White Gray B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Uut Uuq Uup Uuh Uus Uuo

NIST (2) NIST is the National Institute of Standards and Technology, the US government agency in charge of keeping track of, and defining, such things as time, length, weight, and other fundamental units. This is a surprisingly broad mision, under which a wide range of important research is supported. Click any element below to see all the samples of that element, or click on the sample picture to go directly to the description of that sample. Text and images Copyright (c) 2010 by Theodore W. Gray.

Cesium atomic clock on a chip. Caesium: Info | Spin | 3D Cesium atomic clock closeup. Caesium: Info | Spin | 3D

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