Trackball - why its worth to return to them
Kensington Trackball Orbit® Optical Trackball The return of the trackball as an alternative to the standard mouse After decades as a niche peripheral, trackballs are enjoying a quiet renaissance. Designers and users are rediscovering their compact footprint, ergonomic benefits, and precision — and modern technology (optical sensors, Bluetooth multipoint, configurable software) has made them far more pleasant to use than the ball-bearing devices many remember from the 1990s. When trackballs first appeared The trackball predates the modern computer mouse. Early trackball concepts appeared in military and industrial systems in the late 1940s and early 1950s; the device evolved from large, mechanical control balls used to position indicators on radar and battlefield displays. Over time the idea migrated into commercial computing and specialized control consoles, then into consumer peripherals as personal computers and graphical interfaces became common. How a trackball works (simple ...
