Mirror-Polished Japanese Foil Ball Challenge Crushed in a Hydraulic Press-What’s Inside?

In this video I make a Japanese polished foil ball by using aluminum foil and pounding with a hammer and then polishing until it becomes a solid metal polished ball! These polished foil balls started with a Japanese jeweler who made one that appeared to have no purpose, but the nation became obsessed with it […]

95 days ago 276 views

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