Physicist Explains Lasers in 5 Levels of Difficulty | WIRED

Donna Strickland, PhD, winner of the 2018 Nobel Prize in Physics and a professor at the University of Waterloo, is challenged to explain lasers to 5 different people; a child, a teen, a college student, a grad student, and an expert.

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Physicist Explains Lasers in 5 Levels of Difficulty | WIRED