Attosecond

An attosecond (abbreviated as as) is a unit of time in the International System of Units (SI) equal to 10⁻¹⁸ or ¹⁄_{1 000 000 000 000 000 000} (one quintillion) of a second.^[1] An attosecond is to a second as a second is to about 31.71 billion years.^[2] The attosecond is a tiny unit but it has various potential applications: it can observe oscillating molecules, the chemical bonds formed by atoms in chemical reactions, and other extremely tiny and extremely fast things.

^ "attosecond - Memidex dictionary/thesaurus". 7 April 2019. Archived from the original on 7 April 2019. Retrieved 24 October 2023.
^ "Exploring "Attosecond" Time - Steacie Institute for Molecular Sciences (SIMS)". 11 November 2007. Archived from the original on 11 November 2007. Retrieved 24 October 2023.

[1] "attosecond - Memidex dictionary/thesaurus". 7 April 2019. Archived from the original on 7 April 2019. Retrieved 24 October 2023.

[2] "Exploring "Attosecond" Time - Steacie Institute for Molecular Sciences (SIMS)". 11 November 2007. Archived from the original on 11 November 2007. Retrieved 24 October 2023.

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