This year's Nobel Prize in Physics was just announced last week. The award goes to Pierre Agostini, Ferenc Krausz, and Anne L'Huillier for experimental methods that generate attosecond pulses of light for the study of electron dynamics in matter.
So, what exactly is an attosecond?
A.) A billionth of a billionth of a second
B.) 1/1,000,000,000,000,000,000 second
C.) An attosecond is to one second as one second is to the age of the universe.
D.) All of the above.
https://www.nobelprize.org/prizes/physics/2023/popular-information/
