Duluth gem hunter uncovers glow-in-the-dark rocks on the North Shore For the past year, Christopher Wenner has been shining black lights on beach rocks to make them glow.

Similar glow-in-the-dark paths and roads could eventually save energy for lighting while cooling cities. (Enlarge to animate this GIF.) Credit: Daan Roosegaarde / studioroosegaarde.net ...

SOUTH Burnett local Max Walters has been a keen photographer and gemstone enthusiast for more than 30 years and now his life's work, including glow-in-the-dark gems, has been put on exhibition at ...

Duluth gem hunter uncovers glow-in-the-dark rocks on the North Shore For the past year, Christopher Wenner has been shining black lights on beach rocks to make them glow.

Duluth gem hunter uncovers glow-in-the-dark rocks on the North Shore. Brady Slater, Duluth News Tribune, Minn. Wed, May 12, 2021 at 2:32 PM UTC. 5 min read.