Youtube activity of "Roger Scott Cathey" (@rogerscottcathey) on "The Slow Mo Guys" channel.
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Commenter youtube id
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Roger Scott Cathey
Commenter name
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@rogerscottcathey
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"Filming the Speed of Light at 10 Trillion FPS"
Comments by video
"How do you film the Speed of Light?"
"Massive Explosive Chain Reaction at 200,000fps - The Slow Mo Guys"