We tend to take time for granted. It is just something that is always there until it isn’t there any more and then we don’t know what to do.
Well now you have another chance at capturing some precious seconds. The Zeptosecond is the smallest slice of time yet recorded. It is so small that it is equal to a single number one sitting 21 places behind the decimal point, a trillionth of a billionth of a second.