world's Longest burning light bulb still shining after 110 years

Livermore : CA : USA | Jun 18, 2011 at 7:35 AM PDT

By mfcnews

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A light bulb recognised by Guinness World Records™ as being the longest burning is still glowing strong ahead of celebrations to mark its 110th anniversary this month.

The Centennial Light Bulb, at Firestation #6 in Livermore, California, has been burning bright since it was first installed in 1901.

The hand-blown bulb has operated at about 4 watts, and has been left on 24 hours a day in order to provide night illumination of the fire engines.

There has only been one break in its operation when it was removed from one fire station and fitted in another in 1976.

The light continues to confound scientists from across the States who have been unable to work out how it has managed to continue to glow for so long.

Lynn Owens, the chairman of the town's light bulb centennial committee, said: "Nobody knows how it's possible. It is a 60 watt bulb and it's only turned on for about four watts but nobody knows why it keeps burning”.

The bulb has a dedicated live webcam that refreshes every 10 seconds, which you can see here.

mfcnews is based in Karāchi, Sind, Pakistan, and is an Anchor for Allvoices.

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