Whether you're a beginner gardener or a pro, this easy pencil eraser hack makes seed sowing much quicker and is incredibly ...

For that was the day Hyman Lipman patented the first pencil with its own eraser . . .a strip of rubber embedded in the end that had to be sharpened just like the graphite point. Lipman sold his ...

Lipman rushed heroically to the aid of mistake-prone schoolchildren, draftsmen and artists everywhere when he secured the patent for the pencil with eraser on this day in history, March 30 ...

What could be more magic, after all, than the eraser—the little wad of rubber that undoes your mistakes and changes, mark by tiny little pencil mark, human history? 1. The original erasers were ...