This bulb proves that incandescent light can have impressive longevity. What design factor has enabled it to burn for over 110 years? Scientists can't confirm so long as it's lit.
 | There’s an incandescent lightbulb in Livermore, California that’s been burning since 1901, with the exception of a few power outages and moves when it was temporary switched off. While its brightness has waned from 60 watts now to 4 watts, it still remains lit and functional for over a hundred years. |
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