Then there's the attosecond[1], during which time light can only travel the length of three hydrogen atoms, and is the shortest measured period of time. These[

Then there's the attosecond[1], during which time light can only travel the length of three hydrogen atoms, and is the shortest measured period of time. These[2] other time intervals are also interesting. [1] - https://en.wikipedia.org/wiki/Attosecond https://en.wikipedia.org/wiki/Attosecond [2] - https://en.wikipedia.org/wiki/Orders_of_magnitude_(time) https://en.wikipedia.org/wiki/Orders_of_magnitude_(time)