Youtube activity of "David Butler" (@davidbutler378) on "Spark" channel.
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UCfKk0aghVlzIm7C5TLklBWQ
Commenter youtube id
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David Butler
Commenter name
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@davidbutler378
Commenter name id
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"Quantum Physics: The Laws That Govern Our Universe [4K] | The Secrets of Quantum Physics | Spark"
Comments by video
"What Matter Makes Up Our Known Universe? | Jim Al-Khalili | Spark"