An attosecond is a very short unit of time that is equal to one quintillionth of a second, or 10⁻¹⁸ seconds.
— Physics In History (@PhysInHistory) October 4, 2023
To put it in perspective, an attosecond is to a second what a second is to about 31.71 billion years.
Scientists use attosecond pulses of light to study the ultrafast… pic.twitter.com/uaY7sIsClq
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