Goodbye flat-earthers: this 40-second video proves that the Earth is not flat
It’s 2025, and despite overwhelming scientific evidence, a surprising number of people still cling to the belief that the Earth is flat. Known as flat-earthers, these individuals reject centuries of astronomical and physical research. But perhaps the simplest and most undeniable proof of Earth’s curvature is something anyone can witness firsthand—just by standing on a beach.
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The question that stumps flat-earthers every time
Scientists often pose a straightforward question to those who argue that the Earth is flat: Why do ships disappear over the horizon? Do they sink? Vanish into thin air? The answer is simple—it’s because of the Earth’s curvature. As a ship moves farther away, it gradually dips below the horizon, proving that the planet isn’t a flat surface but a vast, curved sphere. And if words aren’t convincing enough, videos capturing this phenomenon serve as undeniable visual proof.
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Social media reacts: jokes, memes, and wild theories
As expected, a recent viral thread on X (formerly Twitter) showcasing this experiment has sparked a wave of sarcastic comments and hilarious theories aimed at flat-earthers. Some users mockingly ask why the oceans don’t “spill over the edges” of a flat Earth, while others joke that a massive ice wall exists at the planet’s boundaries—complete with dragons guarding the edge!
Meanwhile, some simply wish for a zoom lens powerful enough to watch soccer games from the farthest corners of the stadium. Because if flat-earthers believe distance is an illusion, why not test it where it really matters?
Original article written by Roberto Barragán, translated with the assistance of AI and edited by Greg Heilman.
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