RIT's Ted Kinsman creates coffee drip printer
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An RIT professor, Ted Kinsman, created a coffee drip printer, which places drops of coffee of varying sizes on a medium to produce a contone image out of almost any liquid. A video of the process may be seen here.
Source article: Retrieved Arpil 13th, 2016. https://cias.rit.edu/faculty-staff/256/faculty/1186