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

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 ...

One of the disks is “normal” metal, while the other is the same material with the special etching technique applied. As you can see in the video, the superhydrophobic metal disc refuses to ...