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Interesting. The worlds' longest lit light bulb (The centennial light bulb) has been lit since 1901. So its currently 117 year old.

SW-User
11 replies 59 views Jul 29, 2018
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Picklebobble2 · 56-60, M
The irony of lightbulbs is that theoretically at least, you could make them last as long as you like if you get the thickness of the filament right
+ 2 · Reply · Translate · Jul 29, 2018