It doesn’t hurt, but one way computer games try to make you feel the impact of being shot is to make your joystick judder. So why not make other applications more touchy-feely, says Louis Rosenberg of San Jose (US 2004/0130526). He has designed a spongy wrist support pad that lies on your desk in front of your keyboard and connects to the PC’s USB port.
Inside the pad is a moving coil and fixed magnet, like the electromagnetic oscillator in a loudspeaker. Software in the PC monitors what is happening on the screen and when the cursor hits a…
