Thermochromic Heart

Create a thermochromic heart by following these steps:

1. Tape down to the back side of thermochromic paper, a design made by conductive wire. In this case the design is a heart shape. Make sure the two ends don’t touch each other and connect to a power supply.

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2. Once the circuit is closed the heat running through the circuit will create the change on the thermochromic paper and reveal the desired shape.

 

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