Sometime between 1500 and 1565 a large graphite deposit was discovered in Cumbria, England. Because the graphite was extremely pure and solid it could easily be sawed into sticks. The graphite was ...

Do you have a favourite, go-to pencil? If so, is it a traditional wood and graphite number, or a mechanical device? If it’s the former, do you hone its point with a sharpener or a knife? Look at the ...