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Lost Technology. 2014131021 Takamitsu Sakai. What is Lost Technology ?. It is the technology that has been lost by some kind of reasons in the present age. out-of-place-artifacts. Crystal skeleton →. There is the opinion it is the imitation. Factor of the outbreak.
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Lost Technology 2014131021 Takamitsu Sakai
What is Lost Technology? • It is the technology that has been lost by some kind of reasons in the present age • out-of-place-artifacts Crystal skeleton → There is the opinion it is the imitation.
Factor of the outbreak • A successor disappears, and a technique is lost. • The base of the technique disappear by an environmental change. • By development of different technology, it decline.
Old Japanese sword • "An old Japanese sword" means swords from the Heian era to the Sengoku era.
Mystery of the old Japanese sword • How do it was made?
Damascus steel ← Indian dagger using the Damasucus steel
Mystery of the Damascus steel • How do it was made? • Why is it hard to be rusted? “Pillar of Delhi” in India This is said to be made of Damascus steel
The other Lost Technology ← Greek fire Roman aqueduct →
Reference materials • http://ohmura-study.net/003.html • http://www.nittech.co.jp/M99/M9906.html • http://ja.wikipedia.org/wiki/%E3%82%AE%E3%83%AA%E3%82%B7%E3%82%A2%E7%81%AB%E8%96%AC