CNET Top 5 – Gadgets that will be dead soon
An international team of researchers has developed a simple and effective method for creating reliable Tatu-like electronic circuits that can be used as a wearable computer or gadget..
To apply electro-tattoo to the skin or other organ, it is enough to press it to the surface and wet the paper with the printed circuit, by analogy with children’s decorative drawings. The presented ultra-thin circuits work thanks to inkjet-printed silver nanoparticles, which are sintered due to the gallium-indium alloy even at room temperature..
Fixing the device does not require sterilizing the room or covering the surface with additional materials. In addition to being easy to apply, Electrotat has excellent mechanical properties similar to those of lightweight fabrics. This allows them to maintain functionality even when stretched, compressed and other deformations in excess of 30%, which is typical for human skin..
Ultra-thin patterns can be applied not only to the skin, but also to any other curved volumetric surface, such as a human brain or lemon. The developers say the electro tattoo can be used in flexible displays, soft robotics, 3D printed wearable electronics, and for epidermal body biomonitoring. Researchers from the American College of Engineering at Carnegie Mellon University and the Portuguese Institute of Systems and Robotics at the University of Coimbra participated in the project..
Scientists at Stevens Institute of Technology and the Hoboken Neurobionics Laboratory have also made strides in working with nanomaterials. They were able to turn an ordinary store-bought mushroom into an electric generator by covering it with cyanobacteria and graphene strands..
text: Ilya Bauer, photo and video: Carnegie Mellon University