A Spark of Confusion: The Coso Artifact

B Jessee
B Jessee
Nov 6 · 12 min read
Cross-section of the Coso Artifact with ruler.
Cross-section of the Coso Artifact with ruler.
The Coso Artifact, bisected [photo by Pierre Stromberg, CC-SA 4.0]

In 1961, three gem shop owners were prospecting in California when they found what they thought was a regular geode. Later, they cut it open and discovered that it contained a strange, man-made object that they could not identify.

There was much speculation on what the object was, or what purpose it could have served, until it was fairly conclusively identified as a spark plug. This…

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B Jessee

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B Jessee

The Mysterious Miscellany

The Mysterious Miscellany is a compendium of the unsolved — from historical and archaeological mysteries to the scientific and not-so-scientific. Strange disappearances, mystery noises, hauntings, bizarre artifacts and happenings — we cover it all.

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