TED Talksのインスタグラム(ted) - 2月24日 03時44分

Bet you haven’t thought too much about the history of the pencil. It took hundreds of people and lots of trial and error over centuries to come up with its perfect design. Bread crumbs were even originally used as the first eraser! Now the writing tool is a staple all over the world, and it has transformed the way we express ourselves. “There’s a pencil for everyone. Every pencil has a story,” says Caroline Weaver. To learn why pencils are shaped like hexagons and how they got their yellow color, watch the episode of TED’s original series, Small Thing Big Idea, at go.ted.com/pencil

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