# Edison s 1879 Light Bulb Was a Graphene Factory He Just Couldn t Measure It

- slug: edison-s-1879-light-bulb-was-a-graphene-factory-he-just-couldn-t-measure-it
- date: 2026-04-12
- category: Space & Aerospace

Running an Edison light bulb for 20 seconds produces graphene — the simplest route to useful graphene we have found.

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