The Secret of Japanese Swords - Science View
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Japanese swords forged with techniques forgotten by time, may be on the edge of a breakthrough.
Learn more about science on NHK WORLD-JAPAN:
https://www3.nhk.or.jp/nhkworld/en/ondemand/category/23/?cid=wohk-yt-2402-sv312-hp
More quality content available on NHK WORLD-JAPAN:
https://www3.nhk.or.jp/nhkworld/en/ondemand/video/?cid=wohk-yt-2402-sv312-hp
Japanese swords forged with techniques forgotten by time, may be on the edge of a breakthrough.
