# cathode ray

> stream of electrons observed in vacuum tubes

**Wikidata**: [Q207340](https://www.wikidata.org/wiki/Q207340)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cathode_ray)  
**Source**: https://4ort.xyz/entity/cathode-ray


## References

1. Nuovo soggettario
2. Freebase Data Dumps. 2013
3. Integrated Authority File
4. Quora
5. KBpedia
6. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)