World's Largest Devil's Toothpaste Explosion
A video on YouTube. In Science & Engineering, a Krater category.
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Mark Rober plans and executes the world's largest elephant toothpaste experiment to surprise a young cancer patient named Fletcher for his birthday.
From the video
Answers: How to make the world's largest elephant toothpaste experiment?
- elephant toothpaste experiment
- science experiments
- birthday surprises
- world records
What it concludes
- The square-cube law explains that volume increases by a factor of 8 while strength increases by a factor of 4 when dimensions are doubled.
- A Goldilocks-sized diameter opening in the container gives a cool laminar flow while still going high.
- With a high volume of foam, the pressure creates high forces in the flask, requiring a strong, over-engineered structure.
- Devil's toothpaste uses potassium permanganate as a catalyst, making it much more reactive and hotter than traditional elephant toothpaste.
- The tallest elephant toothpaste fountain world record was successfully achieved by Fletcher Rollinson and Mark Rober in Gridley, California on 22 August 2020.
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