The basic metallurgy of solder. How to make a solder joint. How to repair a circuit board. The vintageTEK museum is a geek’s paradise to tour if visiting the Portland, Oregon area. The museum has ...

Update on Nov. 8 at 11:21 a.m. Pacific: Corrected to reflect the printer’s resolution which is 10 mil, not 10 millimeters, and to the timing of its fundraising plans. Cyril Ebersweiler, hardware ...