The Wingback Designer’s mechanical pencil pairs a Japanese mechanism with a British-engineered brass case, creating a pleasingly weighted writing device. The integral reservoir has been designed to ...

Discover the fascinating process of mass-producing pencil leads at Japan's only factory specializing in this craft. From raw ...

The pencil “lead” is actually a mixture of graphite and clay. More clay in the mixture makes the lead harder. A harder lead has a higher number. Pencils are numbered from 1-3 but most people use a ...

Now, in a recent study, researchers from Japan found a simple and low-cost way of tuning the reflectance spectra of pencil ...

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.

After scribbling a good bit of pencil lead on a piece of paper, he attached two paper clips to make a variable resistor, dialed it in to about 300 kΩ, and cut up an old Nokia charger for its USB ...