Since 1993, Esteban Prieto has been blowing glass out of the Maplewood studio he owns with his wife, Nori Obata, a porcelain ceramicist and glass-jewelry artist. Heat is a requirement in glassmaking and as temperatures climb outside, it gets even hotter at his work area. By late spring, temperatures at Prieto's work bench can reach 120 degrees - a point that he now deems as too hot to work. "I had a rule when I turned 60 that if the temperature was twice my age, I was outta there," he says. He now takes the summers off and focuses on selling at craft shows instead.