Top 6 Lost Technologies and Inventions

in #english • 7 years ago

More Infos:
Damascus Steel - https://en.wikipedia.org/wiki/Damascu...
Mithridatium - https://triggered.edina.clockss.org/S...
Roman Concrete - http://www.history.com/news/the-secre...
Greek Fire - https://en.wikipedia.org/wiki/Greek_fire
Tesla's Death Ray - https://www.bibliotecapleyades.net/te...
Archimedes's Fire - http://www.unmuseum.org/burning_mirro...

Music: Crossing the Chasm
Kevin MacLeod (http://incompetech.com)
Licensed under Creative Commons: By Attribution 3.0

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7 years ago in #english by
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     7 years ago 

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