![]() ![]() ![]() While this greenish-yellow colorway was the trend du jour, it had the unintended and intriguing side effect of glowing bright fluorescent green under ultraviolet (UV) light. Sometimes, this uranium glass can even appear opaque and colorless. As an additive in the glassmaking process, it imbues the final product with a transparent yellow or yellowish-green hue. Join Pop Mech Pro.Įnter uranium oxide, an insoluble and thermally stable source of uranium that doesn’t conduct electricity. ☢️ Don’t miss any of our radioactive stories. Glass was a big business at the time, and to make tableware desirable to consumers, companies were constantly on the hunt for the next intriguing coloring agent. This “ uranium glass” originated in Germany in the 1830s and 1840s, says Anne Madarasz, chief historian at the Heinz History Center in Pittsburgh, Pennsylvania, and curator of a longstanding exhibit on glass. As an adult, my enthusiasm for fluorescent tchotchkes hasn’t gone anywhere I’ve merely transferred my obsession into collecting antique, radioactive, glow-in-the-dark glassware. After turning my bedroom light on for a few minutes, I couldn’t wait to flip the switch and hop into bed to stare up at the glowing green galaxy I’d created. If you grew up in the 80s or 90s, you probably remember those glow-in-the-dark stars we all used to paste to our ceilings as kids. Hey y’all, Courtney Linder here, deputy editor at Pop Mech. ![]()
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