A wine cup crafted from high-quality jade, traditionally believed to glow at night; famously featured in Tang Dynasty literature

A watch with hands and numbers or symbols coated in fluorescent material so that the time can be seen in the dark.

luminous paint; a coating that glows in the dark or at night, made by adding fluorescent materials or radioactive substances to paint and used for things like clock faces and road signs

A type of tiny, spherical, single-celled dinoflagellate that glows at night and can cause the ocean to appear red when present in large numbers