who invented the glowing stars that stick to your ceilings??

Question

i'm doing a project for school and i've checked everywhere. ya'll know the glowing star things that you can stick to ceilings who invented them? or what causes them to glow?

Answer 1

that's a really good question. i have no idea.

Answer 2

don't know who invented those stars, but William J. hammer invented luminous paint about 1907 for clock hands , guage dials , etc