Youtube activity of "John P" (@johnp139) on "Veritasium" channel.
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Commenter youtube id
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John P
Commenter name
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@johnp139
Commenter name id
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"How Dangerous is a Penny Dropped From a Skyscraper?"
Comments by video
"The Man Who Accidentally Killed The Most People In History"
"What Everyone Gets Wrong About Planes"
"What Happens If A Star Explodes Near The Earth?"
"Why No One Has Measured The Speed Of Light"
"Why we should teach astronomy"