Henry David Thoreau and his father invented the graphite, which creates very readable text; This became standard in ...

Twist-Erase III Mechanical Pencils feature a sturdy ... grip delivers maximum comfort and control With the jumbo Twist-Up Eraser, you'll suffer no smudges, no paper tears and no ghosts Each ...

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 number 2. Harder lead makes a lighter mark and softer lead makes ...

This likely hints towards a new eraser feature or update in the upcoming Apple Pencil model ... As well as a new drawing pen, four new iPad models are rumored for the event — a new OLED iPad ...

Pencils, erasers, ballpoint pens - it was always fun to start a new term with a new brace of equipment in your pencil case. And have you ever thought about the history behind those school essentials?

This tiny snail is not much bigger than a pencil eraser. Its body—most of it a muscular foot—is bumpy and brown, and its antenna-like eyes are almost translucent. A gland in the snail’s foot ...