Michael Shirley points us to a set of business cards that are coated with a special heat sensitive substance. As the cards are handled, a dark layerdisappears to reveal designs underneath.

Michael Shirley points us to a set of business cards that are coated with a special heat sensitive substance. As the cards are handled, a dark layer disappears to reveal designs underneath.

Watch the process in a short video:

[via MY FUTURE ME]

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