Youtuber Seals Himself in an Dangerous Air-Tight Jar Just to Prove a Point

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Proving The Earth is Round

In fact, one of his most popular videos is about proving Flat-Earthers wrong. Instead of just using science and facts, he went out on his bike to gather important evidence. He knew that he could disprove this theory all by himself with one simple experiment that anyone else could do...

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Just His Bike

He was able to disprove the Flat Earth theory just by using his bike. Kurtis was able to make sundials with shadows from his bike that, together, depicted the curvature of the Earth. If that's not proof, we're not sure what is! It wasn't even that hard, too. This next project, however, wasn't going to be quite so easy...

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