Tech Tattoos Trace Two Dimensions

Flexible circuit boards bend as you might expect from a playing card, while skin stretches more like knit fabric. The rules for making circuit boards and temporary tattoos therefore need to be different. Not just temporary tattoos, there are also circuits that reside on the skin so no unregulated heat traces, please. In addition to flexing and stretching, these tattoos can be applied to uneven surfaces and remain intact. Circuits could be added to the outside of projects or use the structure as the board to reduce weight and size. Both are possible with the research from Carnegie Mellon’s Soft …read more

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Tattoo your 3D Prints with Velocity Painting

Just when it seems like we’ve juiced all the creative potential out of our 3D printers, a bold new feature lands on the table. Enter Velocity Painting, a concept brought to life by [Mark Wheadon] that textures our 3D prints with greyscale images.

At its core, the technique is straightforward: skin an image onto a 3D print by varying the print speed in specific locations and, thereby, varying just how much plastic oozes out of the nozzle. While the concept seems simple, the result is stunning.

Velocity Painting opens up new ways of expression on top of an existing print …read more

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Living 3D Printer Filament

This is more than a printing filament hack — closer to bleeding edge bio-engineering — but we can’t help but be fascinated by the prospect of 3D printing with filament that’s alive on a cellular level.

The team from MIT led by [Xuanhe Zhao] and [Timothy Lu] have programmed bacteria cells to respond to specific compounds.  To demonstrate, they printed a temporary tattoo of a tree formed of the sturdy bacteria and a hydrogel ‘ink’ loaded with nutrients, that lights up over a few hours when adhered to skin swabbed with these specific stimuli.

So far, the team has been …read more

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Living 3D Printer Filament

This is more than a printing filament hack — closer to bleeding edge bio-engineering — but we can’t help but be fascinated by the prospect of 3D printing with filament that’s alive on a cellular level.

The team from MIT led by [Xuanhe Zhao] and [Timothy Lu] have programmed bacteria cells to respond to specific compounds.  To demonstrate, they printed a temporary tattoo of a tree formed of the sturdy bacteria and a hydrogel ‘ink’ loaded with nutrients, that lights up over a few hours when adhered to skin swabbed with these specific stimuli.

So far, the team has been …read more

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Tattoos by Robotic Arm With Pinpoint Accuracy

Tattoos are an ancient art, and as with most art, is usually the domain of human expertise. The delicate touch required takes years to master, but with the capacity for perfect accuracy and precision movements, enlisting a robotic arm and some clever software to tattoo a willing canvas is one step closer thanks to the efforts of [Pierre Emm] and [Johan da Silveira].

They began by using a 3D printer modified to ‘print’ with a tattoo needle. Catching the interest of the Applied Research Lab at Autodesk, the next logical step was to use an industrial robot arm get a …read more

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Tattoo Recognition Technology Raises Privacy, Legal Concerns

Tattoos are a complex form of art in modern society. First of all, they are expressive. People can incorporate certain words and symbols into a tattoo so that its design communicates something personal about their lives. In that sense, tattoos are also free speech, a legal right which is protected under the U.S. Constitution. The […]… Read More

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