Smallest unit of time
- Who
- Unknown
- When
- 11 January 2005
The smallest unit of time is known as Planck’s time, 10**-43 seconds. It is the amount of time it takes the fastest thing, light, travelling at 3x10**8 metres per second, to cross the smallest distance, the Planck length, 10**-35 m.
NB ** denotes superscript