The Oldest Pencil in the World
On Brainpickings, Maria Popova shares one essential thing you didn’t know you didn’t know, the surprising history of the pencil, from John D. Barrow’s “altogether fascinating book” 100 Essential Things You Didn’t Know You Didn’t Know.

The Oldest Pencil in the World

On Brainpickings, Maria Popova shares one essential thing you didn’t know you didn’t know, the surprising history of the pencil, from John D. Barrow’s “altogether fascinating book” 100 Essential Things You Didn’t Know You Didn’t Know.