How do you build a revolver that can shoot the largest caliber bullet legally allowed in a handgun? What�s a stabilizer and what�s it doing in your ice cream? Why is Kevlar thread used to sew a mattress? And why do safety matches only light up when you strike them on the box? Find out the answers to these questions and more in this episode of �Engineered With Marshall Brain.� Take a fast-paced and fact-filled adventure into the world of product design, manufacturing and testing as we go behind-the-scenes to find out how people and machines create some of life�s most fascinating things.