and when he got the urge to do some etching recently, he realized that he was fresh out of “Ferret Chloride and Bureaucratic Acid*.” Undeterred by his empty chemical cabinet, he poked around ...
The printed material flows into the pores of the wood, undergoing a chemical reaction similar ... the wood was completely ...
Although DIY PCB making has made great strides since the early days of chemical etching, there’s one fly in the ointment: ...