The story
Etymology from Wiktionary, CC BY-SA 4.0.
petasecond
Today it means: An SI unit of time equal to 10¹⁵ seconds. Symbol: Ps. (= 31 709 800 years) Full definition →
Today it means: An SI unit of time equal to 10¹⁵ seconds. Symbol: Ps. (= 31 709 800 years) Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.