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TIL about the "invisible wall," an anomaly where workers encountered a strange "invisible wall" in the area under a fast-moving sheet of electrically charged polypropelene film in a factory. This "invisible wall" was strong enough to prevent humans from passing through.

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awZ6J TIL: Two billion years ago, a uranium deposit at the present-day location of the Oklo mine in Gabon, west Africa, had just the right environmental characteristics to sustain a nuclear chain reaction. With ground water acting as a moderator, it operated like a natural version of a nuclear reactor.
OoPZ1 TIL octopuses have been observed acquiring shiny and reflective objects and planting them around their homes in the sea bed like a garden. The song “Octopus’s Garden” by the Beatles was inspired by the captain of a boat informing Ringo Starr of this fact while on vacation.
j8Jv TIL an uncontacted tribe still inhabits an island in the Indian Ocean, living as simple hunter-gatherers. They are vigorously hostile to outsiders, and have not yet developed early technologies such as agriculture or writing.
mxnpx TIL: Van Tassell, Wyoming (Population 14) is the least populous town in the least populous county of the least populous state in the U.S.
nJWG TIL that Jews account for 20% of all Nobel Prize laureates, despite being only 0.2% of the world’s population.