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# banana radiation
- URL: https://blog.joshuarocks.me/banana/
- Published: 2025-11-28T12:00:00.000Z
- Updated: 2025-11-28T12:00:00.000Z
- Description: apparently bananas emit a small amount of ionizing radiation. I doubt this will help you in life, but now you know.
- Author: Joshua K.
- Tags: Useless Knowledge, #Import 2026-06-19 17:05

The potassium in a banana can emit small amounts of antimatter (positrons) that immediately decay. Not very useful to know. Read more about it [here](https://www.symmetrymagazine.org/2009/07/23/antimatter-from-bananas?ref=blog.joshuarocks.me). Learn about ionizing radiation from [this](https://xkcd.com/radiation/?ref=blog.joshuarocks.me) useless graph.