Secrets of the Samurai Sword - NOVA Video (DVD) at Educational Innovations


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Secrets of the Samurai Sword - NOVA Video (DVD)
NOVA-810DVD

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Samurai warriors 600 years ago were masters at metallurgy: annealing, hardening, and tempering. They developed a fearsome weapon, a razor-sharp sword. How was it made? For the first time clues from the electron microscope and mass spectrometry are used to explain its unique qualities. 56 min

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