A NASA Veteran Built the World's Largest Volcano Replica. From Elephant Toothpaste?
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From building a 'Ninja Warrior' course to stop squirrels from stealing nuts to dropping a car from 150 feet (46 m) onto the world's strongest trampoline, former NASA engineer and YouTuber Mark Rober never fails to deliver bigger and more fascinating demonstrations with his videos. In his latest, he explains how he built the world's tallest elephant toothpaste volcano after breaking the world record last year which saw red goo rising to 60 feet (18.2 m).
He spent twelve months designing the new volcano, which is a "bomb proof" five-ton steel volcano, to break his previous record and managed to get the tallest ever stream of elephant toothpaste, which is a foamy mess created by mixing hydrogen peroxide, soap, and potassium iodide.
This whole demonstration is a surprise for young blood cancer sufferer Brody. You can watch the bright green plume of elephant toothpaste shooting 250 feet (76.2 m) in the air in the video above. And, as always, enjoy.
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