Learn how to craft a functional Ulu knife from a hardened sawblade without redoing any heat treatment. This step-by-step ...

In this detailed tutorial, learn the art and craftsmanship behind making a razor blade from scratch. Join us as we delve into ...

Want to make your own air knife to cut things with? Unfortunately that’s not what these devices are intended for, but [This Old Tony] will show you how to make your own, while explaining what they are ...

Seattle Ultrasonics' $399 C-200 promises to slash cutting force in half with blade vibrations that you can't see, hear or feel. David lives in Brooklyn where he's spent more than a decade covering all ...