Drinking wine is an ancient pleasure that comes steeped in historic traditions. Watch any wine aficionado, and you'll see ...

[LudwigLabs] is creating PCBs using copper foil and a cutting plotter (vinyl cutter). In this approach, it’s an additive process where instead of removing copper from a copper-clad board ...

All you need is a piece of cardboard, aluminum foil, and adhesive tape or pins. To prepare your own heat-reflecting panel, simply cut a rectangle from the cardboard that fits behind the radiator.