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 ...

Computer mice ... by a rolling ball on the base of the mouse and a sensor that read that ball’s movement. Now, most mice are optical, using a low-level laser to track changes in space.

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 ...

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 computer ... a small ball mounted on the device via your thumb to steer the cursor around. But they provide significant relief for those in discomfort from routinely piloting a mouse across ...

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.