There are days in the metal fabricating industry when everything feels normal. You walk in, flip on the lights, hear the hum ...

Clay and Jenna Weber of Pleasanton have been married 10 years and have two sons, Bennett, 7, and Brayden, 4. They’re about to launch their own cottage industry, a laser engraving business.

Semiconductor lasers use the optical properties of semiconducting materials to produce coherent light. Electrons and their positive-charge counterpart called holes are injected into an optically ...