7 ms·
There are also radioactive tiles decorating the Caltech campus: https://www.flickr.com/photos/lapie/3340318920/ https://www.flickr.com/photos/lapie/3340318920/
by kreldjarn 4y ago
There are also radioactive tiles decorating the Caltech campus: https://www.flickr.com/photos/lapie/3340318920/ https://www.flickr.com/photos/lapie/3340318920/
Apparently there was a brief period in the 20th century when this was a popular way of making yellow glazing.
- cultofmetatron 4y agogoogle "radium girls"
- cultofmetatron 4y agonot sure why I was downloaded. the radium girls painted radium on dials which glowed