Induction sealing technology is a widespread packaging technique, used in industries from pharmaceuticals to food production. There’s an interesting process behind those little foil seals on the necks of bottles, and some even more interesting history. Let’s take a look. It was 1982 in Chicago, and a string of inexplicable deaths had the city on edge. There were seven victims in total, including a 12-year-old girl and several members of her family. After an investigation, it was discovered that all...