Imagine if your sweater was actually one big computer that responded to being stretched, pressed, or adjusted. That cyborg-inspired future could now be a reality thanks to a team of scientists that has used nanowires to create a new wearable, multifunctional sensor.
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It might look understated, but you’re looking at the most functionally complex integrated quantum circuit ever made from a single material—and it can both generate photons and entangle them, all at the same time.
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Flexible, stretchable
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Forget printing circuits: how about drawing ’em instead? At least, that’s what you can do with this rollerball, which spews out conductive silver ink to let you doodle circuits all day long.
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Graphene has the power to change computing forever by making the fastest transistors ever. In theory. We just haven’t figured out how yet. Sound familiar
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Researchers from Asia and Europe have developed the world’s lightest and thinnest organic circuits, which in the future could be used in a range of healthcare applications.
Lighter than a feather, these ultrathin film-like organic transistor integrated circuits are being developed by a research group led by Professor Takao Someya and Associate Professor Tsuyoshi Sekitani of the University of Tokyo, who run an Exploratory Research for Advanced Technology (ERATO) program sponsored by the Japan Science and Technology Agency (JST), in collaboration with Siegfried Bauer’s group at the Johannes Kepler University (JKU) Linz, Austria.
The circuits are extremely lightweight, flexible, durable and thin, and conform to any surface. They are just 2 microns thick, just 1/5 that of kitchen wrap, and weighing only 3g/m^2, are 30 times lighter than office paper. They also feature a bend radius of 5 microns, meaning they can be scrunched up into a ball, without breaking. Due to these properties the researchers have dubbed them “imperceptible electronics”, which can be placed on any surface and even worn without restricting the users movement.
The integrated circuits are manufactured on rolls of one micron thick plastic film, making them easily scalable and cheap to produce. And if the circuit is placed on a rubber surface it becomes stretchable, able to withstand up to 233% tensile strain, while retaining full functionality.
“This is a very convenient way of making electronics stretchable because you can fabricate high performance devices in a flat state and then just transfer them over to a stretchable substrate and create something that is very compliant and stretchable just by a simple pick and place process.”
This prototype device is a touch sensor featuring a 12×12 array of sensors on a 4.8 cm x 4.8 cm circuit. It is made up of two layers, an integrated circuit layer and a tactile sensor layer.
With the development of these plastic electronics, the possibility for flexible, thin, large area electronics has been realized. In the future, the group would like to expand the capabilities of these circuits.
“The new flexible touch sensor is the world’s thinnest, lightest and people cannot feel the existence of this device. I believe this development will open up a wide range of new applications, from health monitoring systems, wearable medical instruments, and even robotic skins in the future.”
The results of this research were published in the July 25, 2013 issue of the journal Nature.
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Via: University of Tokyo
There are plenty of kits out there designed to help kids learn the ins and outs of electronics, but LightUp hopes to stand out from the crowd with not just easy-to-use building blocks but an accompanying augmented reality app as well. From resistors and LED modules to light sensors, each block represents a real component that can be attached to each other via magnetic connectors, hopefully creating a circuit in the process. LightUp even offers an Arduino-compatible microcontroller block to help kids start coding — clip the programming wand to the block, hook it up to your computer, and away you go.
What really sets LightUp apart is the aforementioned AR app. Simply snap a picture of your circuit, and the software will let you know what’s wrong with it if there’s a mistake. If everything’s working, it’ll display an electrical flow animation atop the picture, showing kids the magic of electricity. We had a go at creating a circuit ourselves, and were delighted at how easy it was. The connectors fit in either direction, and can be attached and reattached with ease. We also saw a brief demo of the prototype application, and sure enough, it showed us when an LED block was placed backwards with an error message — you can see it in action in the video below.
Gallery: LightUp hands-on
Filed under: Science
Source: LightUp, Kickstarter
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