Before rubber was first used as an eraser in the mid-1700s, people employed everything from pumice to damp bread to expunge their errors. Luckily, we no longer have to turn to the bread box to cleanly ...

Every day I take out my mechanical pencil and my Pink Pearl eraser and place them on the desk in front of me before I start my schoolwork. My eraser, though it was originally a perfect parallelepiped ...