Researchers in Japan have created a 3-micrometer display that looks like plastic wrap and can make any part of your skin into an electronic display. The idea isn’t new, but this display is far thinner and more durable than previous devices. It also lasts longer (several days) and has increased brightness.

The display uses polymer LEDs to form a seven-segment digit, so you aren’t going to stream Netflix to the back of your hand anytime soon.  However, the team wants to build more advanced displays that could one day replace smartwatch or smartphone screens.

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