Large steel tools are made for force, not cutting. This build starts by removing excess material to find the knife shape ...

Drill bits are extremely hard and brittle. Forging them requires precise temperature control to prevent cracking. Multiple ...

Bladesmith David Singer creates custom culinary knives, specializing in Japanese styles and pattern welded steel at his Acton forge. Gary Higgins / Boston Business ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...