Remarkably resilient firehouse Centennial Bulb—a four-watt, curlicue carbon-filament lightbulb has been burning for 24 hours a day, seven days a week for more than a century — according to The Los Angeles Times .
The bulb uses four watts of power, and its carbon filament is protected by an airtight seal.
At 107, Livermore centennial lightbulb is still a real live wire [Los Angeles Times]
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