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Videos » Astrophysicist Explains Gravity in 5 Levels of Difficulty | WIRED

Astrophysicist Explains Gravity in 5 Levels of Difficulty | WIRED

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Astrophysicist Janna Levin, PhD, is asked to explain the concept of gravity to 5 different people; a child, a teen, a college student, a grad student, and an...
Posted May 25
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