It’s easy to doodle a circuit! Made with silver conductive nanoparticles, the ink in the AgIC Circuit Marker can conduct electricity, as shown in this pop-up book inspired Japanese commercial by Kandenko. Watch the LEDs light up as the pre-cut glossy photo paper is drawn on and then folded into place.

AgIC is a Tokyo-based startup out of the University of Tokyo, and was successfully kickstarted in 2015. This video from Nikkei Asian Review explains more:

Though it’s become popular, you may be able to find the pen and special paper set on Amazon.

Related vids: The Red Thread, a time lapse of Sol LeWitt’s Wall Drawing 797, and a giant forest xylophone that plays Bach.

via Rocket News 24.

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