# fine-structure constant

> physical constant quantifying the strength of the electromagnetic interaction between elementary charged particles

**Wikidata**: [Q5997](https://www.wikidata.org/wiki/Q5997)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Fine-structure_constant)  
**Source**: https://4ort.xyz/entity/fine-structure-constant


## References

1. [Source](https://lingualibre.org/wiki/Q788006)
2. Freebase Data Dumps. 2013
3. [Source](http://physics.nist.gov/cgi-bin/cuu/Value?alph)
4. Quora
5. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)