Ring of Truth Series: Gold, Noodles, and Hydrogen

Above, watch molten gold transform into gold leaf as it is beaten into thinner and thinner pieces while cold. This clip is from PBS’ six-part miniseries The Ring of Truth: An Inquiry Into How We Know What We Know – Atoms (1987).  “It was the craftsmen who mastered the remarkable properties that go with specific materials. They were the first to journey...