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Water Light Graffiti

Flowing Data

Take a LED that lights up when exposed to water, then thousands more, and you have one very entertaining re-usable graffiti wall.


From Weekly Filet #82, in August 2014. More on: #

๐Ÿ’” Some older links might be broken โ€” that's the state of the web, sadly. If you find one, ping me.

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