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The next time one of your cold chisels gets dull, don’t sharpen it. Take it to the grinder and square off the damaged end. Years ago I had an old chisel that slowly kept getting more and more dull. I ...

Learn which types of chisels work best for woodworking, carving, timber framing, and masonry. If you work with wood, stone, or metal, sooner or later you’ll need a chisel. Whether you’re making ...

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 ...