Cesar Villarreal puts a thin disc of copper in his lathe and gets it spinning, then uses a pair of steel rods to coax the metal over a mold. In unskilled hands, there’s a risk the spinning copper will ...

INDEPENDENCE – Keira Bennett’s eyes light up just as bright as the bulb on the lamp she just made out of a recycled soda can and a lamp-making kit. “I liked putting it together and learning about math ...