radium paint
Luminous dial finish
Radium paint is a luminous paint containing radium, once used on watch dials, instrument panels, and military equipment so they could be read in darkness.
The radium's radioactivity causes phosphors in the paint to glow continuously without external light.
Factory workers who painted watch dials—predominantly women—suffered severe radiation poisoning, often from licking brushes to form fine points.
The term now evokes both early 20th-century technological optimism and its tragic consequences.
- glowSteady, soft light
- luminousEmitting or reflecting light
- watchesPortable personal clocks
- dialsCircular indicator faces
- radioactiveEmitting nuclear decay particles
ghostly · green · uranium · decay · factory · girls · poison · cancer · brushes · licking · bones · Marie Curie · fluorescent · darkness · shine · deadly · vintage · clock