Comment on Meanwhile in America

<- View Parent
ms_lane@lemmy.world ⁨21⁩ ⁨hours⁩ ago

What is this commie ‘meter’?

Uh, it’s the length a photon travels under vacuum during a time interval between two hyperfine ground states of caesium-133 divided by 299792458⁠. Duh.

source
Sort:hotnewtop