Sekunda
Under the International System of Units, the second is currently defined as the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom. This definition refers to a caesium atom at rest at a temperature of 0 K.
A i to je bilo previše. Možda će proći za njih stotinjak milijuna.
16.08.2006. u 9:42 | Prijavi nepoćudni blog | Dodaj komentar
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