The eraser is on the top of the pen, intuitively placed in the same spot you would find a pencil eraser. It’s made of smooth rubber that glides over the paper, gently providing enough friction ...

The pen is equipped with an electric heating element on the end which works as your rubber. It can be backed on Kickstarter now for around £27. Produced by Leon Siciliano More from Tech This pen ...

She described a flat, round rubber eraser mounted on a motor-driven instrument similar to a dentist’s drill. The eraser could remove typewriting and print from catalog cards without leaving a ...