Japanese scientists have developed a retractable film-like display that can be applied to the skin.
In the experiment, the display was attached to the back of the hand to successfully display a simple video. In terms of use, it is expected that the elderly will be able to grasp their own health information at a glance.
Combined with sensors that measure heart rate and body temperature, wearable devices will allow people to keep abreast of their physical condition. (Daguang)
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