[kreldjarn]

There are also radioactive tiles decorating the Caltech campus: 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]

google "radium girls"

[cultofmetatron]

not sure why I was downloaded. the radium girls painted radium on dials which glowed