Mixed with the right kind of paint, radium would luminesce after exposure to light, so that a watch face painted with the stuff could soak up energy during the day and stay visible all night long.

Based on a true story, These Shining Lives by Melanie Marnich centers around a group of four women in the 1920s who are thrilled to earn high wages doing the delicate work of painting iridescent dials ...

While civilians are used to wearing their watches on the outside of their wrists, military members often do it differently. There's one main reason why.