Dvice recently published a visual history of the computer ... 5-pin bowling ball and an array of mechanical encoders that tracked the ball’s movement. As time went on, other mouse-type devices ...

(I came across a photo from a taxidermist who had carefully mounted a complete mouse skin with head over a generic computer mouse ... and you might be able to track one down in a thrift store ...

In order to really sell the retro chops of his portable computer, [Ominous Industries] designed a clip-on style track ball for his retro Raspberry Pi laptop. Starting with a half circle shape ...

The first Macintosh Mouse, model M0100, featured a rubber ball ... other computer mice still adhere to the same concept first invented by Engelbart in 1964. Modern mice have replaced track balls ...

a ball-shaped mouse with a soft gel covering. It is also “designed to fit your hand perfectly”, and “the World’s first ball-shaped computer mouse covered in gel”*. It is, in short ...

The slightly smaller ball is still easy to ... then the Image Wireless Trackball Mouse will be a revelation. With this mouse, you can step away from the computer for a more dynamic presentation.