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Nanomaterials

— Science

"Nano-accordion" conductors may find use in flexible and stretchable electronics

By - June 17, 2015 3 Pictures

A new conductive, transparent, and stretchable nanomaterial that folds up like an accordion could one day be applied to the development of flexible electronics and wearable sensors, as well as stretchable displays. The researchers at North Carolina State University who created this "nano-accordion" structure caution that it is early days yet, but they hope to find ways to improve its conductivity and eventually scale it up for commercial or industrial use.

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— Science

Image captures light as both wave and particle for very first time

By - March 2, 2015 1 Picture
In 1905, Albert Einstein provided an explanation of the photoelectric effect – that various metals emit electrons when light is shined on them – by suggesting that a beam of light is not simply a wave of electromagnetic radiation, but is also made up of discrete packets of energy called photons. Though a long accepted tenet in physics, no experiment has ever directly observed this wave/particle duality. Now, however, researchers at the École polytechnique fédérale de Lausanne (EPFL) in Switzerland claim to have captured an image of this phenomenon for the first time ever. Read More
— Electronics

Buckyballs and diamondoids combined to create molecule-sized diode

By - September 10, 2014 3 Pictures
Scientists working at the Stanford Institute for Materials and Energy Sciences (SIMES) claim to have created a molecule-sized electronic component just a few nanometers long that conducts electricity in only the one direction. In essence, a rectifier diode, but one so small that it may one day help replace much bulkier diodes and other semiconductors found on today's integrated circuits to produce incredibly compact, super-fast electronic devices. Read More
— Science

Nanoscale anti-counterfeiting tech reveals hidden image when breathed upon

By - August 7, 2014 6 Pictures
Allowing consumers to identify counterfeit goods is a tricky and expensive problem, as many security measures such as holograms might be easily mimicked by counterfeiters. A new nanoscale printing technique, however, allows researchers to create labels that reveal a "watermarked" image when breathed upon by the consumer. The labels are scalable and durable, and can be applied to many surfaces, yet are beyond the hands of those who might try to mimic them to fool consumers. Read More
— Science

Fractal nanostructures used to build new supermaterials

By - June 6, 2014 3 Pictures
Researchers at the California Institute of Technology are developing a disruptive manufacturing process that combines nanoscale effects and ad-hoc architectural design to build new supermaterials from the ground up. The materials can be designed to meet predetermined criteria such as weighing only a tiny fraction of their macroscopic counterpart, displaying extreme plasticity, or featuring outstanding mechanical strength. Read More
— Environment

Nano technique boosts plant energy production and creates plant biosensors

By - March 17, 2014 4 Pictures
In 2010, Stanford University researchers reported harnessing energy directly from chloroplasts, the cellular "power plants" within plants where photosynthesis takes place. Now, by embedding different types of carbon nanotubes into these chloroplasts, a team at MIT has boosted plants' ability to capture light energy. As well as opening up the possibility of creating "bionic plants" with enhanced energy production, the same approach could be used to create plants with environmental monitoring capabilities. Read More
— Science

Nanomaterial thermophotovoltaic system increases efficiency and portability of solar power

By - January 21, 2014 2 Pictures
It’s not a new idea to improve upon traditional solar cells by first converting light into heat, then reemitting the energy at specific wavelengths optimally tuned to the requirements of the solar cell, but this method has suffered from low efficiencies. However, new research at MIT using nanoscale materials finally shows how thermophotovoltaics could become competitive with their traditional cousins, and grant benefits such as storing solar energy in the form of heat to postpone conversion into electricity. Read More
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