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Which is stronger: Glue or tape?

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The oldest glue in the world is over 8,000 years old and comes from a cave near the Dead Sea. Today, we have enough types of tape and glue to build and repair almost anything. But what gives glue and tape their stickiness?

…and which is stronger: Glue or tape? Dive into the sticky, gummy, tacky, clingy, gluey, viscoelastic world of adhesives with this TED-Ed lesson by Elizabeth Cox, animated by Vienna Pitts and Sinbad Richardson.

Related audio: Why Is Tape Sticky? from But Why: A Podcast for Curious Kids.

Next, watch The Sticky Feet of Ants & Cockroaches, Tape Paris: Crawl through suspended tunnels of translucent tape and Why is syrup sticky?

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