Video: Duct Tape? Or Duck Tape?

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So which is it? And what gives this versatile adhesive its name? Odds are you, and most of those you know, have no idea. But luckily we have Dr. Joe Schwarcz to explain its origins. So if you have a few minutes, the Director of McGill University's Office for Science and Society, and ACSH friend, will reward you with some interesting insights.