A buddy of mine from high school planted this “chia keyboard” as a workplace prank. Says Warren,
This took me two tries to get it right. I had to build a moisture trap with toothpicks and Saran wrap to get the seeds to germinate.
Here’s an older and more detailed how-to by Johannes Hjorth.

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.
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