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New metamaterial allows negative refraction index

By Damir Beciri
One Comment16 June 2013

dionne-invisibleAlthough metamaterials managed to revolutionize optics in the past decade, their performance so far has been inhibited by their inability to function over broad bandwidths of light. Stanford engineers have designed a broadband metamaterial that more than doubles the range of wavelengths of light that can be manipulated. With adjustments, the researchers believe it could… »

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NanoTech Security KolourOptiks – butterly inspired anti-counterfiet technology

By Damir Beciri
One Comment16 June 2013

nanotech-security-1Using nature inspired technology to stop counterfeiting and enhance brand design has been around for the last five years, however, recent advancements and award given to Nanotech Security Corp. made us bring back this subject we covered back in 2010, when we wrote about Cambridge scientists that discovered a way to mimic the colors found… »

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Ancient Roman seawater concrete could teach us how to cut carbon emissions

By Damir Beciri
10 June 2013

roman-concrete-diverIn a quest to make concrete more durable and sustainable, an international team of geologists and engineers has found inspiration in the ancient Romans, whose massive concrete structures have withstood the elements for more than 2,000 years. The discovery could help improve the durability of modern concrete, which within 50 years often shows signs of… »

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Outperforming platinum with a metal-free fuel cell catalyst

By Damir Beciri
9 June 2013

korean-research-groupCollaboration between researchers in South Korea, Case Western Reserve University and University of North Texas resulted with a discovery of an inexpensive and easily produced catalyst that performs better than platinum in oxygen-reduction reactions. The finding is a step toward eliminating what industry regards as the largest obstacle to large-scale commercialization of fuel cell technology…. »

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New advancements in OLED display technology

By Damir Beciri
7 June 2013

oled-1Organic light emitting diodes (OLEDs) are slowly fighting their way into the display market since there are various reports about improvements in their production, efficiency, and longevity. This article covers two recent advancements from European research groups – one inventing new modeling technique that can predict the output color and second group that came with… »

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ChiBio Project focused on development of a biorefinery for crustacean shells

By Damir Beciri
1 June 2013

crab-shell-chitinAside efforts to utilize crustacean shells by extracting chitin and turning it into pharmaceuticals with fungi, researchers in Asia successfully managed to extract polymer chitosan from shrimp shells in order to make filters, foils and wound dressings. 750,000 tones of crustacean shells are annually disposed in EU, however, crustaceans in Europe contain more lime and… »

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Stanford scientists develop high-efficiency zinc-air battery

By Damir Beciri
30 May 2013

stanford-zinc-oxideWhile lithium-ion batteries present the most dominant rechargeable battery on the market, their limited energy density (energy stored per unit volume), high cost and safety problems drives various research groups to invent a battery with better performance. Stanford University researchers have developed an advanced zinc-air battery which could serve low-cost alternative to conventional lithium-ion batteries…. »

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Improving hydrogen production with a bit of rust

By Damir Beciri
24 May 2013

duke-hydrogen-productionWhile hydrogen can be found nearly everywhere in the environment and it can be used to produce power, producing and collecting molecular hydrogen with current methods isn’t competitive with other sources of energy. Duke University engineers have developed a novel method for producing clean hydrogen, which could prove essential to weaning society off of fossil… »