AttoSecond (as)
An attosecond (as) is a unit of time in the International System of Units (SI) equal to 1×10−18 of a second (one quintillionth of a second).
For comparison, an attosecond is to a second what a second is to about 31.71 billion years.
An attosecond (as) is a unit of time in the International System of Units (SI) equal to 1×10−18 of a second (one quintillionth of a second).
For comparison, an attosecond is to a second what a second is to about 31.71 billion years.