# Scientists rediscover how to make ancient Roman colour-changing glass

- Source: Hacker News
- Published: 2026-10-25T17:20:22+00:00
- Category: Tech
- Original: https://www.theguardian.com/science/2026/oct/25/scientists-rediscover-ancient-roman-colour-changing-glass
- Canonical: https://groundlevelnews.com/story/scientists-rediscover-how-to-make-ancient-roman-colour-changing-glass-7a0c30/

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