Succulents glow in shades of red, green, blue, and more after being infused with afterglow phosphor particles that absorb and slowly release light. CREDIT: Liu et al., Matter 2025 Get the Popular ...
As war darkens or dims U.S. cities, their onetime incandescence will be replaced more & more by the ghostly luminescence of pigments which give off light in the dark. Today luminescent pigments are ...