# optics

> branch of physics concerning light

**Wikidata**: [Q14620](https://www.wikidata.org/wiki/Q14620)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Optics)  
**Source**: https://4ort.xyz/entity/optics


## References

1. [Source](https://lingualibre.org/wiki/Q788025)
2. Nuovo soggettario
3. Freebase Data Dumps. 2013
4. BBC Things
5. YSO-Wikidata mapping project
6. BabelNet
7. National Library of Israel
8. KBpedia
9. GF WordNet
10. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)