Photoshop cc 2019 tutorial showing how to create the retro look of lineographic, mechanical drawings on the classic 1960s toy ...

When it comes to building decent aerodynamic devices, you want to focus on getting your geometry accurate, and making sure your parts are strong enough to deal with the force they’re generating. This ...

Abstract: This paper introduces a novel and simple etching technique that utilizes a mixture of sulfuric acid (H2 SO4) and hydrofluoric acid (HF). This method selectively etches silicon dioxide (SiO2) ...