• In this Friday, Jan. 22, 2016 photo, glassblower William Gudenrath makes a goblet with techniques used by Renaissance Venetians at the Corning Museum of Glass in Corning, N.Y. Gudenrath spent decades researching how Renaissance-era glassmakers produced objects that are now considered works of art.  (AP Photo/Mike Groll)

    Glass expert digs into secrets of historic Venetian process

    ALBANY, N.Y. (AP) — A modern-day glassblower believes he has unraveled the mysteries of Renaissance-era Venetian glassmaking, a trade whose secrets were so closely guarded that anyone who divulged them faced the prospect of death.