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TIL In 1964, the inventor Karl Kroyer once filled a sunken ship with 27 million plastic balls to make it lighter and easy to remove. He then tried to patent the idea but failed as examiner found the same method used by Donald duck in a comic book in 1949, 15 years before.

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M7EkA TIL that China has made its border tripoint with Russia and North Korea into a tourist attraction called Fangchuan Scenic Area - complete with its own panoramic tower
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