The world’s oldest working light bulb has been burning continuously since 1901 – an incredible 118 years, with no sign of going out. The incandescent bulb, located in a fire station in Livermore, California, has become something of a tourist attraction and a symbol of human ingenuity. But what makes this bulb so special, and why has it remained lit for so long?
The secret to the bulb’s longevity lies in its design. Although the bulb is of a standard Edison-style design, it was custom-made to be far more robust than other bulbs of its type. The filament used in the bulb is thicker and made of a more durable material than those found in other bulbs. Additionally, the bulb is protected from excessive vibration by being suspended in a steel cage. All this means that the bulb is able to last much longer than other bulbs of its type. It’s also been reported that the bulb is filled with nitrogen gas, which helps to minimize the evaporation of the filament.
This remarkable bulb has been a fixture in the Livermore fire station since 1901. It was originally installed as part of the town’s fire alarm system, and has been faithfully serving its purpose ever since. Over the years, the bulb has been taken off the fire station wall and sent off to various locations around the globe, as a symbol of human ingenuity and perseverance. In 1972, it was taken to the World’s Fair in Japan, where it was seen by over four million people. Since then, it has gone on to appear in various exhibitions and museums around the world.
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