What did a 2,000 year old Greek machine calculate?
A corroded lump of bronze from a shipwreck turned out to contain gears. Only a century after it was found, once there was a way to look inside, did it become clear that the device computed the positions of the heavens and the timing of eclipses. Who built it is still unanswered.
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Nobody has read a single word of this book. Following the hands it passed through, the signature erased from its first page and the date of its parchment shows how far the case has been carried and where it stops. Decipherments have been announced many times; none has been accepted.
Voynich manuscriptThe Voynich scriptRadiocarbon datingWilfrid Voynich+5In December 1872 a ship was found alone in the mid Atlantic, still under sail. She was seaworthy and her cargo was aboard; her people were not. Following the ship that found her, the port where the hearing was held, the cargo she carried and the missing boat separates what was recorded from what was added later.
Mary CelesteBenjamin BriggsDei GratiaDavid Morehouse+5In 1905, during the Russo-Japanese War, the Russian cruiser Dmitrii Donskoi went down off Ulleungdo. The story that she carried gold sent related shares soaring twice, in 2000 and in 2018. In 2018 the Shinil Group said it had found her, advertised 200 tonnes of gold worth 150 trillion won aboard and sold a coin on the strength of it. The courts sent its officers to prison for a fraud that raised about 8.9 billion won. No evidence that the ship carried gold has ever appeared.
Dmitrii DonskoiBattle of TsushimaOff Jeodong, UlleungdoDong Ah Construction+7