Remember being a kid in class and feeling sore against the side of your middle finger after gripping your pencil for so long?

this mechanical pencil epitomizes the Muji ethos of simple, pure, functional products. Designed to slot easily into notebooks, with a clip and eraser tip, the 0.5mm Hexagonal Wooden Pencil is timeless ...

"A typical pencil lead consists of about 10 million layers of graphene." Hexagonal stacking, also known as AB stacking, occurs when even-numbered graphene layers are aligned, with the odd-numbered ...