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Advantage play Thermal Imaging

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#1
Some police agencies have thermal imaging devices that can detect heat signatures through walls. Essentially letting them know someone is in a house because of the heat signature.

Do you think there will come a day when this technology would be used to "see" through the back of a card to see the shapes of what is on the face of a card?
 

June

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#2
I sure hope not! That would ruin my bluff! Yes, there are devices that can read thermal signatures through walls etc., but I don't know of any (yet) that can do it through cards. Of course, you will always have the people that "accidentally" mark cards so basically it is the same, right?
 
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