Imagine a lightbulb that never burns out. You buy it once, screw it in, and your great-grandchildren are still using it a century later. It sounds like science fiction—or perhaps a corporate secret—but the "infinite lightbulb" isn't entirely a myth. In fact, one has been glowing since 1901.
Unlike modern tungsten filaments, which are thin and fragile, early bulbs used thick carbon. They are remarkably robust. Imagine a lightbulb that never burns out
Here is the true story behind "infinite" light, the engineering trade-offs we make, and the conspiracy that changed the industry forever. The Mystery of the 120-Year-Old Bulb In fact, one has been glowing since 1901
The most damage occurs when you flip the switch. The surge of electricity and rapid temperature change (thermal shock) causes filaments to snap. This bulb has only been turned off a handful of times in over a century. The Phoebus Cartel and Planned Obsolescence Here is the true story behind "infinite" light,