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5VoLk TIL Duct tape was invented by an Illinois mom during WW2. She had to write a letter to FDR explaining how it's easier for soldiers(including her sons) to pull her tape off in battle without using a knife.
OoeVY TIL Vesta Stoudt, the mother of two Navy Sailors wrote a letter to President Roosevelt explaing the way ammunition was packed often didn’t work. She suggested a rippable cloth based tape, leading to the invention of duct tape.