when was the first wireless computer mouse invented
Computer mouse
When holding a typical mouse , ulna and radius bones on the arm are crossed . Some designs attempt to place the palm more vertically , so the bones take more natural parallel position . Some limit wrist movement , encouraging to use arm instead that may be less precise but more optimal from the health point of view . A mouse may be angled from the thumb downward to the opposite side -- this is known to reduce wrist pronation . However such optimizations make the mouse right or left hand specific , making more problematic to change the tired hand . Time magazine has criticized manufacturers for offering few or no left - handed ergonomic mice : `` Oftentimes I felt like I was dealing with someone who 'd never actually met a left - handed person before . '' Keyboard
When holding a typical mouse , ulna and radius bones on the arm are crossed . Some designs attempt to place the palm more vertically , so the bones take more natural parallel position . Some limit wrist movement , encouraging to use arm instead that may be less precise but more optimal from the health point of view . A mouse may be angled from the thumb downward to the opposite side -- this is known to reduce wrist pronation . However such optimizations make the mouse right or left hand specific , making more problematic to change the tired hand . Time magazine has criticized manufacturers for offering few or no left - handed ergonomic mice : `` Oftentimes I felt like I was dealing with someone who 'd never actually met a left - handed person before . '' Keyboard