Jan 19
The next time you’re peeling a fresh, organic, "all-natural" banana just remember: it’s filled with tons of chemicals! But don’t worry, so is everything else.
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Jul 29
World’s lightest and thinnest circuits pave the way for ‘imperceptible electronics’
Posted in: Today's ChiliResearchers 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
Jun 14
Fujifilm and Panasonic’s organic CMOS image sensor boosts dynamic range and sensitivity
Posted in: Today's Chili
We’ve all been enjoying the benefits of AMOLED displays for several years now — high contrast ratios, wide viewing angles and vivid colors — so it was only a matter of time until organic films ended up in image sensors. Fujifilm and Panasonic have been working on organic CMOS image sensors and just showed the results of their collaboration at the 2013 Symposium on VLSI Technology in Kyoto. By replacing the traditional silicon photodiode with an organic photoelectric conversion layer, researchers have created image sensors with a dynamic range of 88dB (the industry’s highest), a 1.2-fold increase in sensitivity (compared to traditional designs) and a 60-degree range of incident light (vs. 30-40 degrees, typically). What does this mean in practice? Less clipping in bright scenes, better low-light performance and richer colors and textures. The companies plan to promote these new organic CMOS image sensors for use in a wide range of imaging applications, including next generation cameras and phones. We can’t wait!
Filed under: Cellphones, Cameras, Mobile
Source: Fujifilm
Sep 26
Love Amazon’s renowned two-day shipping? How about organic eats and other miscellaneous environment-friendly products? If so, then today’s your very lucky day. Adding to the endless list of shopping sites it already owns, Amazon has just introduced Vine.com; a site which aims to be a one-stop web store for folks looking to snag anything from organic ingredients to beauty products like all-natural shaving oils and Kiss My Face foam soaps — and yes, as we stated earlier, there’s an option to get that speedy two-day delivery service. While chatting with Bits Blog, a Vine representative said the goal isn’t “necessarily about saving the planet,” but that his team does “feel the products are useful in that regard.” Currently Vine.com is live in beta form, though that doesn’t mean folks interested can’t go browse around and order some goodies — to do that, give the source link below a quick tap.
Amazon launches Vine.com for shoppers who live life on the ‘green’ edge originally appeared on Engadget on Wed, 26 Sep 2012 15:03:00 EDT. Please see our terms for use of feeds.
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Sep 05
There’s a chance we’ve been deluded by the marketing of organic food; a new study by Stanford University School of Medicine researchers have found that it might not actually be better for you. More »
Aug 18
Harvard stores 704TB in a gram of DNA, may have us shopping for organically-grown storage (video)
Posted in: Today's Chili 
Early research has had DNA making circuits and little factories. We haven’t really seen DNA used as a storage medium, however, and it’s evident we’ve been missing out. A Harvard team led by George Church, Sriram Kosuri and Yuan Gao can stuff 96 bits into a DNA strand by treating each base (A, C, G, T) as though it’s a binary value. The genetic sequence is then synthesized by a microfluidic chip that matches up that sequence with its position in a relevant data set, even when all the DNA strands are out of order. The technique doesn’t sound like much on its own, but the microscopic size amounts to a gigantic amount of information at a scale we can see: about 704TB of data fits into a cubic millimeter, or more than you’d get out of a few hundred hard drives. Caveats? The processing time is currently too slow for time-sensitive content, and cells with living DNA would destroy the strands too quickly to make them viable for anything more than just transfers. All the same, such density and a lifespan of eons could have us turning to DNA storage not just for personal backups, but for backing up humanity’s collective knowledge. We’re less ambitious — we’d most like to know if we’ll be buying organic hard drives alongside the fair trade coffee and locally-sourced fruit.
Harvard stores 704TB in a gram of DNA, may have us shopping for organically-grown storage (video) originally appeared on Engadget on Sun, 19 Aug 2012 01:06:00 EDT. Please see our terms for use of feeds.
Permalink ExtremeTech | Harvard University | Email this | Comments
Aug 08
Would You Spend Two Bills to Monitor Your Personal Environment for Boogeymen? [Chatroom]
Posted in: Today's Chili
Radiation, Nitrates, and Humidity; oh my! The Lapka Personal Environmental Monitor will be hitting store shelves late this year with a $230 price tag. It will measure the amount of radiation and number of EMF fields penetrating your personal space, while tracking the amount of nitrates (residue from industrial fertilizers) covering your salad, as well as the current temperature and humidity of the room. All of this data is then safely stored on your iPhone. More »
Jul 31
Panasonic Photosynthesis System converts carbon dioxide to organic material with plant-like efficiency
Posted in: Today's Chili 
Greenery may fulfill a superficial need to improve the landscape aesthetic, but plants play a much more critical role in regular life function, converting carbon dioxide to oxygen through a process called photosynthesis. Panasonic is among the companies attempting to replicate this natural procedure through artificial means, and it looks like the Japanese electronics maker is well on its way towards a viable solution. Presenting at the International Conference on the Conversion and Storage of Solar Energy this week, Panasonic announced the development of an Artificial Photosynthesis System, which uses a nitride semiconductor to convert water and carbon dioxide — a byproduct of factories and power plants — into an organic material called formic acid, which is used in the manufacturing of dyes and fragrances. Covering the planet in formic acid wouldn’t necessarily represent progress, but assuming demand isn’t exceeded, it certainly beats CO2. Best yet, Panasonic claims that the system converts the substances at plant-like efficiency rates, or 0.2 percent. Hit up the PR after the break for a more granular look at the company’s creation.
Filed under: Science
Panasonic Photosynthesis System converts carbon dioxide to organic material with plant-like efficiency originally appeared on Engadget on Tue, 31 Jul 2012 06:41:00 EDT. Please see our terms for use of feeds.
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