TED Talks

TED Talks

Caroline Weaver: Why the pencil is perfect (2018x78)


Ausstrahlung: Mär 15, 2018

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.

  • Premiere: Feb 1984
  • Episoden: 2474
  • Anhänger: 10
  • Laufend
  • YouTube
  • Daily