▶

Making a ring from brittle purple gold

NileRed · Demo · 53 min · 2023 · YouTube title: Making purple gold
Why it's here

HN mentions it as a fascinating example of chemistry persistence and as something people learned from, such as discovering purple gold exists.

What it covers

NileRed tries to make a ring from pure purple gold, a gold-aluminium intermetallic that is brittle and hard to work with. The 53-minute video follows the chemistry and many failed attempts before he produces a finished ring.