the toothpaste volcano (credits to mark rober, read description)

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  • Published on:  Monday, September 21, 2020
  • NOTE: THIS VIDEO IS NOT MINE, THE OFFICIAL VIDEO IS FROM MARK ROBER. original video: https://youtu.be/BHiWygziyso.
  • Source: https://youtu.be/ELjZW-iEix8
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