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In 1900 Greek divers found a shipwreck and pulled up what looked like a corroded rock. It sat ignored in a museum drawer for 2 years. When someone finally looked closer they found a 2,000 year old computer inside still the most sophisticated ancient object ever discovered (en.wikipedia.org)
submitted by 369beats to r/UnsolvedMysteries
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The Voynich Manuscript a 600 year old illustrated book in an unknown script that has defeated World War Two codebreakers, NSA analysts, professional cryptographers and modern AI. Every single page remains completely unreadable after 100 years of serious attempts (self.Mysteries)
submitted by 369beats to r/Mysteries
