A researcher in NDSU’s Center for Computationally Assisted Science and Technology and the Department of Physics has uncovered what makes a prominent paint glow in the dark for hours. The findings are reported in a paper titled “Defects and persistent luminescence in Eu-doped SrAl2O4,” published in the journal Physical Review Applied.
Click here for original story, Secrets of prominent luminous paint uncovered on 30th anniversary of its discovery
Source: Phys.org