IIRC, Christopher Stasheff used a similar device in one of his books--people buried things like a child's toy doll in BC and dug it up in like the '60s, when museums and collectors were paying lots of money for such things.
My own get-rich-quick plan with time travel involved aluminum ingots and gold coins. (Take aluminum back to before it was cheap, convert to dollars, convert to gold.)
But the "lost" knowledge--how did they make Chartres Blue? What was the process for the micro-granulated gold pieces from Rome that we STILL can't duplicate? Stonehenge, Nazca, so much to go and FIND OUT--
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IIRC, Christopher Stasheff used a similar device in one of his books--people buried things like a child's toy doll in BC and dug it up in like the '60s, when museums and collectors were paying lots of money for such things.
My own get-rich-quick plan with time travel involved aluminum ingots and gold coins. (Take aluminum back to before it was cheap, convert to dollars, convert to gold.)
But the "lost" knowledge--how did they make Chartres Blue? What was the process for the micro-granulated gold pieces from Rome that we STILL can't duplicate? Stonehenge, Nazca, so much to go and FIND OUT--