No.2 pencils are widely used, but you may not know what the number actually refers to. This video explains how pencils developed into their modern form and the significance of the labeled numbers.

In a survey last year of 2,000 techies by the software maker Maplesoft, the trusty No. 2 pencil trumped all other products as the most freqently used design and analysis tool. Given the portability of ...

A set of 120 Faber-Castell Polychromos pencils costs $350, 14 times as much as a similar box of Crayola colored pencils. And some brands price their sets at over $550. That's because of the time ...