Published On Mar 22, 2019
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These Are The FASTEST Things Humans Have Ever Made – Second Thought
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Humans have invented some crazy fast things over the years, but these mighty machines are the best of the best! Come learn about the fastest things humans have ever made!
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Second Thought is a channel devoted to the things in life worth thinking about! Science, history, politics, religion...basically everything you're not supposed to talk about at the dinner table. Welcome!
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