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.

Open link

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

💔 Some older links might be broken — that's the state of the web, sadly. If you find one, ping me.

Thousands of curious minds trust the Weekly Filet for food for thought. Every Friday, carefully curated recommendations on what to read, watch and listen to. Helping you make sense of the world and yourself.

Undecided? Learn more | Peek inside