The average do-it-yourselfer hates to drill metal, especially steel. We don’t know how many questions readers have submitted and we’ve answered on that topic over the years. Even the most enthusiastic ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Q.I'm currently making a toolbox that will be permanently mounted in the bed of my truck, just behind the cab. I have built a structural framework from angle iron, and I have drilled and tapped holes ...