Dot matrix paper is as dangerous as it is outdated. In a study entitled Competition between slicing and buckling, which underlies the erratic nature of paper cuts, physicists have determined the ...

Most dot-matrix impact printers use a tractor feed mechanism. Tractor feeds use wheels with sprockets that fit into strips with holes that are attached to the side of a regular size piece of paper.

We don’t think you can get any more awesome than this Dot Matrix Printer that can play music! The hack makes use of an old 24-pin dot matrix printer, which is now a MIDI compatible sound generator.