Google the 50,000 year old spark plugs found in CA during the late 1960’s, it will blow your mind.......
Here is the link to a History Channel story on the spark plug, with photo’s starts at 4 minutes in, http://www.youtube.com/watch?v=ZR86JqKP8BQ&sf=Relevancy#1
It’s a hoax.
OTOH, it’s still an interesting thing.
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