The Science of Canned Beer



Since the 1930s, beer has been produced in cans. The initial cans were steel, looking more like a soup can than a modern beer can. They were opened by punching two holes in the top with a churchkey, and imparted a metallic flavor to the beverage. Soon, cone-top cans were invented that could run through a brewery’s bottling line. In the 1960s, pull tab cans gained popularity for their ease of use, but the tabs littered areas where beer was consumed and were dropped into cans, presenting a health hazard. In the 1970s, the stay tab can that we know and love today was introduced. Although…

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