Hands-On Science with Squishy Circuits

English:
Hands-On Science with Squishy Circuits (video) Source: Ted Talks

In a demo at TED U, AnnMarie Thomas shows how two different kinds of homemade play dough can be used to demonstrate electrical properties — by lighting up LEDs, spinning motors, and turning little kids into circuit designers.

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Spanish:
Hands-On Science with Squishy Circuits (inglés) Fuente: Ted Talks