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PrintScreen
https://embodied.mpi-inf.mpg.de/research/printscreen/
An electroluminescent display that you can print by silkscreen or inkjet. Wow.
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Most-needed circuits for DIY
http://www.diylive.net/index.php/2005/12/19/ten-most-needed-circuits-for-the-diyer/
someday, I'm sure this will come in handy
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