Force feedback has become a default feature of game controllers, but we haven’t made much progress with other types of feedback such as smell or temperature. A research team at the Tokyo Metropolitan University aims to change that by adding temperature feedback to devices, starting with a display, a game controller, and a chair.
The team employed a Peltier element, which can change temperature from hot to cold and vice versa when a voltage is applied. Added to a display, you can paint color on the test unit and that is fed back as different temperatures for each color when touched. Blue is cold, red it hot. Practical uses include another form of feedback
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