The shape-shifting baking tools can reveal a lot about what’s on people’s minds, as one American company has learned, to its profit. Ann Clark, the nation’s largest manufacturer of cookie cutters, can ...

[Radu Motisan] wrote in to share a cool project he has been working on lately, a pulsed microspot welder/cutter. The device is capable of spot welding thin metals such as foils and battery tabs by ...