US corporate tax rates:
Revenue Statistics of O.E.C.D. Member Countries, 2010, Source
Making an inkjet nozzle with a piezo buzzer. Drop size and speed not measured. Both seem to be on the order of a Âµl.
Inkjet 3d printer that prints into dental power / PVA
3D DLP printer build log. What is being built is unclear.
Tests of UV curing resins for 3D printing