#科技头条# 【智能纹身:让皮肤变成手机控制器】

#科技头条# 【智能纹身:让皮肤变成手机控制器】身体有胎记或者皱纹怎么办?科学家们利用智能纹身给出了最好的答案。来自 Saarland 大学的科学团队创造了这款名为 SkinMarks 的超薄智能纹身,内嵌传感器,可将胎记转换为触摸按钮,以此控制智能手机。用户可通过触摸、挤压、滑动等动作访问手机功能。卡内基梅隆大学的 Chris Harrison 说,该技术将广泛应用于未来,或许你可以在 2050 年花五分钟时间勾勒电子纹身,之后就能够在你的手臂上控制自己的 iPhone22。

Tap a freckle to make a phone call and browse the web with a birthmark: Smart tattoos turn skin into phone controls

By STACY LIBERATORE FOR DAILYMAIL.COM

Body blemishes may be a sign of aging, but scientists have found a new age purpose for them.

The team has designed a variety of ultra-thin temporary electronic tattoos that transforms body landmarks, such as wrinkles and birthmarks, into touch-sensitive buttons that control a smartphone.

Called SkinMarks, the tattoos consists of embedded sensors that let users touch, squeeze or slide fingers over certain body marks to access functions on the handset.

SkinMarks was developed by a team of scientists at Saarland University in Saarbrücken, Germany, and in collaboration with Google.

The researches noticed how ‘the body provides many recognizable landmarks due to the underlying skeletal structure and variations in skin texture, elasticity, and color’, which led to the innovation.

‘SkinMarks are temporary interactive tattoos. They sense touch on submillimeter electrodes, capture squeeze and bend input, and support active visual output,’ researches wrote in the study.

‘Through a vastly reduced tattoo thickness and increased stretchability, a SkinMark is suffi- ciently thin and flexible to conform to irregular geometry, like flexure lines and protruding bones, while still allowing the user to reference those landmarks actually or visually.’

The tattoos are made of paper with wires and electrodes printed on top of them, reports New Scientist.

And the SkinMarks are said to be thinner than the width of a human hair.

‘To fabricate an interactive tattoo, we use commercially available temporary tattoo paper (Tattoo Decal Paper) as the substrate, as proposed in recent work,’ reads the study.

‘We screen print one or multiple layers of functional inks onto it. After printing each layer, the ink is heat cured with a heat gun (130◦C or 266◦F for 3 minutes).’

‘After adding a thin adhesive layer, the tattoo is ready to be transferred onto skin.’

Although these e-tattoos sound like something from a sci-fi film, they are applied the same way as the traditional tattoos many people used as a kid – by rubbing water over them while it is pressed on the skin.’

The tattoos’ designs are also focused on what function they will be used for and where they will be placed.

For example, the team created tattoos that control the music player on a smartphone.

One is placed on the side of the index finger that contains a printed bend sensor overlaid with touch-sensitive display elements and when bent, it changes the functionality based on the position of the finger.

Another lays across a person’s knuckles and when they drag their finger across it changes the phone’s volume.

There are also ones that are electroluminescent, which glow when current passes through it.

These tattoos can be shaped like a social media app’s icon and will light up when you receive a notification from the platform.

There is also a HeartMark, which is a touch-sensitive heart-shaped display, augments a birthmark in order to notify users about the availability of a loved one.

And touching it starts a call with that person.

The team also designed a CaptureMark that resembles ‘a circular ball for capturing virtual objects in augmented reality games, e.g. treasures or Pokemon,’ researches wrote.

‘The user´is notified about virtual objects with an audio feedback,' noted the researchers.

'The user can attempt catching it by squeezing the tattoo.'

‘Afterwards, the CaptureMark blinks and finally lights up for a few seconds to notify the user that the virtual object is caught.’

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Although these tattoos will change the way we use our smartphones, Chris Harrison at Carnegie Mellon University told New Scientist that it will be ‘10 years before we see touch-sensitive tattoos in mainstream use’, but suggests skin-based controls will be widely used in the future.

“You’ll have these digital tattoo parlors which you can go to in 2050 and 5 minutes later you can walk out with the iPhone 22 on your forearm,’ he said.

http://www.dailymail.co.uk/sciencetech/article-4325650/Smart-tattoos-turn-skin-smartphone-controls.html


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