When we first heard about a mouse, we weren’t convinced ... There are several solutions for that, but the oldest one is probably the trackball. Ploopy is an open source trackball you can ...

Best Trackball Mouse for Carpal Tunnel $89 at Walmart SteelSeries Aerox 5 Wireless Best Lightweight Mouse for Carpal Tunnel $102 at Best Buy See More ...

With open source hardware (OSHW) input devices like the Ploopy Adept Trackball, you not only get to say you built the thing yourself, but there’s also an opportunity to tune the gadget to your ...

Implemented in OpenGL, the virtual trackball uses mouse input to track the cursor's position on the screen and rotate a 3D object when the left mouse button is held down. The program uses the screen ...