Color Changing, Heat Sensitive Business Cards

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...

Dan Gould Dan Gould on October 1, 2009.

Color Changing, Heat Sensitive Business Cards-2

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]