Knowledge Stew

Knowledge Stew

The World's Longest Burning Lightbulb

This lightbulb has burned for 124 years.

Daniel Ganninger's avatar
Daniel Ganninger
Jul 17, 2025
∙ Paid
LPS.1/Wikimedia

The world’s longest-lasting lightbulb has been burning in a Livermore, California, fire station since 1901. That’s 124 years that the bulb has been in operation, with over 1,000,000 ho…

User's avatar

Continue reading this post for free, courtesy of Daniel Ganninger.

Or purchase a paid subscription.
© 2026 Daniel Ganninger · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture