# Taking the X out of X-Rays (Dr. William Coolidge, 1940)

Sponsored by General Electric, this is a short film featuring Dr. William Coolidge (circa 1940), the inventor of the Coolidge X-ray tube, also called hot cathode tube. He discusses medical imaging and demystifies X-rays.

Update: Now also includes Hungarian captions, thanks to Alvancsodi.

Original video source is from the Prelinger Archives:

https://archive.org/details/Takingth1940

- Kind: Documentary
- Year: 2011
- Runtime: 9 min
- By: AntiProtonBoy
- Genres: Documentary, Science
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Taking_the_X_out_of_X-Rays_(Dr._William_Coolidge,_1940).webm)
- Licence or status: [CC BY 3.0](https://creativecommons.org/licenses/by/3.0) (as the archive states it)
- Credit: AntiProtonBoy
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/commons/70745180?play=1)