He recently worked out a relatively inexpensive and easy way to etch metals using some chemistry skill and a little bit of electricity. After preparing a set of stencils and cleaning the metal ...

The problem? The laser won’t cut into the hard metal of the scissors. His solution? Smear the scissors with mustard. No kidding. We’ve heard of this before, and apparently, you can use vinegar ...

The wet-etching technique is relatively simple, but highly effective, researchers said. The team immersed metal powders such ...

The brand's eye-popping new Placoid is true to its unusual name, particularly in its most ambitious configuration.