Chemical etching (also called photochemical etching, photo etching, or chemical milling) is a precision manufacturing method used to produce intricate metal components without the mechanical stresses ...

Fiber lasers aren’t nearly as common as their diode and CO2 cousins, but if you’re lucky enough to have one in your garage or local makerspace, this technique for depositing thin films of metals in ...

Learn two easy electrical methods for metal etching in this DIY tutorial. Perfect for restoration, engraving, or custom modifications, these techniques provide a simple and effective alternative to ...

Copper’s resistivity depends on its crystal structure, void volume, grain boundaries and material interface mismatch, which becomes more significant at smaller scales. The formation of copper (Cu) ...

Photochemical etching is a machining technique that leverages the principles behind photography to shape a piece of sheet metal and turn it into a finished product or component. The modern form of ...

A logarithmic spiral with a diameter of 500 μm, approximately half the diameter of a sewing needle. Curiosity about a mistake that left tiny dots on a germanium wafer with evaporated metal films led ...

Shovels are overlooked, under-appreciated, and abused. In this video, watch as I create the world's fanciest shovel from an old rusty one through a full in-depth restoration process. This project ...

Researchers have developed a laser treatment technique able to transform metal surfaces and allow them to instantly kill bacteria on contact. Scientists at Purdue University announced on Thursday that ...