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Wearable Technology That Feels Like Skin

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When it comes to the future of computing, there is one major known and a principal unknown.

The known, with almost guaranteed certainty, is that the next era of computing will be wearables. The unknown, with commensurate guaranteed uncertainty, is what these wearables will be and where on your body they will live.

Apple and Samsung, for example, are betting on the wrist; Google, the face. A slew of tech companies believeclothing will simply become electronic. Yet there’s a whole new segment of start-ups that believe all of the above are destined for failure and that we humans will become the actual computers, or at least the place where the technology will reside.

Their enthusiasm is on an emerging class of wearable computers that adhere to the skin like temporary tattoos, or attach to the body like an old-fashioned Band-Aid.

Many of these technologies don’t look anything like today’s gadgets. Instead, they are stretchable, bendable and incredibly thin. They can also be given unique designs, to stand out like a bold tattoo, or to blend in to the color of your skin.

MC10 attachable computers. Credit John A. Rogers/The University of Illinois at Urbana-Champaign

While these wearables raise novel privacy concerns, their advocates say there are numerous benefits. Attachable computers will be less expensive to make, provide greater accuracy because sensors will be closer to a person’s body (or even inside us) and offer the most utility, as something people won’t forget to wear.

MC10, a company based in Cambridge, Mass., is testing attachable computers that look like small rectangular stickers, about the size of a piece of gum, and can include wireless antennas, temperature and heart-rate sensors and a tiny battery.

“Our devices are not like wearables that are used today, where people wear them for a little bit and then throw them into a drawer,” said Scott Pomerantz, the chief executive of MC10. “Ours are always on you. We have the smallest, most flexible, stretchable, wearable computer, and you can collect all sorts of biometric data tied to your motion.”

MC10 recently teamed up with John A. Rogers, a professor of materials science and engineering at the University of Illinois at Urbana-Champaign, who has been working for nearly a decade to perfect flexible devices that can be worn on the skin or implanted internally.

How would these gadgets work? Imagine being able to slap a few Band-Aid-size sensors to your body when you go for a run, then seeing a micro-level reading of your exercise on your phone.

Maybe you want to figure out which deodorant would be best for you. This would be done with a sticker that tracks your sweat level, then emails you a few brand recommendations. Or if you want to monitor your baby’s breathing, you would stick a little sensor on the baby’s chest that will alert you to any problems.

MC10 attachable computers.

“We’ll eventually see a more intimate integration of electronics and biological systems,” Mr. Rogers said in a phone interview. “Without that kind of intimate physical contact, it’s going to be difficult, or maybe even impossible, to extract meaningful data.”

Wearable-computer advocates are also giddy about the infinite style possibilities. “It turns out that the mechanics of these devices are 100 percent compatible with kids’ standard temporary tattoos,” Mr. Rogers said. Meaning, they can be made to look like tattoos, with each segment containing different sensors.

Anke Loh, the chairwoman of the fashion department at the School of the Art Institute of Chicago, has been experimenting with making the attachable computers look like body art. “You see these patches and you really want to put them on your skin, even without knowing what the function is,” Ms. Loh said, noting that most wearable computers today are clunky and ugly. “There’s a lot of potential to combine fashion and technology.”

On a more futuristic front, scientists at the University of Tokyo have been working on an “e-skin,” which, as you may have guessed, is an electronic skin that sits on top of real skin. It looks like a flexible and stretchable sheet of plastic wrap, yet contains lots of health-related sensors.

In another iteration of e-skin, scientists are working to add a layer of LEDs, turning it into a functional screen that sits on the body.

Digital skins offer numerous applications, not only in monitoring a user’s health, but also as a visual user interface. They can be used on lifelike prosthetics and even replace smartphones one day. (Imagine your forearm as a touch-screen display.)

But don’t throw aside your smartwatch or say goodbye to Google Glass just yet. It will be a while before our wearable future becomes known.

Read more at the New York Times