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Why the pencil is perfect | TED Series 2018 - Small Thing Big Idea - S01E03

Why are pencils shaped like hexagons, and how did they get their iconic
yellow color?

Pencil shop owner Caroline Weaver takes us inside the
fascinating history of the pencil.

Small Thing Big Idea, a TED original series, celebrates the lasting
genius of everyday objects so perfectly designed that they changed the
world around them. Check out more here: https://go.ted.com/STBI

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