Teachers learn 3D printers, a new way to challenge, excite students: Duval part of statewide training test

(Courtesy of Jacksonville.com) Schools are out for the summer, but about 30 Duval teachers were still at work at Twin Lakes Middle School last week, debating the fine points of statistics and flinging marshmallows, Cheerios and colorful projectiles into the air. and they’ll be able to transfer that one day to the manufacturing field is …