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Butterfly wings inspire new technologies: From fabrics and cosmetics to sensors

Cosmetics
A new study has revealed that the stunning iridescent wings of the tropical blue Morpho butterfly could expand the range of innovative technologies Scientific lessons learnt from these butterflies have already inspired designs of new ... - Read More

Toward Making People Invisible to Mosquitoes

were definite mosquito lures drawing 90 percent of the mosquitoes to the screen With other compounds however many of the mosquitoes didn’t even take flight or seemed confused “If you put your hand in a ... - Read More

Scientists use DNA to assemble a transistor from graphene

DNA, DNA, DNA, DNA, DNA, DNA
Graphene is a sheet of carbon atoms arrayed in a honeycomb pattern just a single atom thick It could be a better semiconductor than silicon if we could fashion it into ribbons 20 to 50 ... - Read More

Purple Sweet Potatoes Among 'New Naturals' for Food and Beverage Colors

exhibited potent antioxidant activities Degradation of chlorogenic acid quinic acid and caffeic acid upon heat treatment produced additional antioxidants in roasted coffees The results suggest that continuous ingestion of antioxidants by habitual coffee drinkers has ... - Read More

Researching New Detectors for Chemical, Biological Threats

typically devices measuring between 20 micrometers to a millimeter For comparison a human hair averages 70 microns in diameter In general Sandia’s chemical detection instruments work by collecting and concentrating a sample of air separating ... - Read More

New sensor is almost as sensitive as a dog's nose

Light, Light
Scientists at ETH Zurich and the Lawrence Livermore National Laboratory LLNL in California have developed an innovative sensor for surface enhanced Raman spectroscopy SERS Thanks to its unique surface properties at nanoscale the method can ... - Read More

Lab-made complexes are 'sun sponges'

Light, Light
A ring of protein and pigments half synthetic and half natural can be used to quickly prototype light harvesting antennas that absorb more sunlight than fully natural ones In diagrams it looks like a confection ... - Read More

Lab-Made Complexes Are "Sun Sponges"

Released 8 23 2013 12 30 PM EDTSource Newsroom Washington University in St Louis more news from this source Aug 24 2013 In diagrams it looks like a confection of self curling ribbon with bits ... - Read More

Molecules form 2-D patterns never before observed: Nanoscience experiments produce elusive 5-vertex tilings

Nanoscience, molecules
Tessellation patterns that have fascinated mathematicians since Johannes Kepler worked out their systematics 400 years ago and that more recently have caught the eye of both artists and crystallographers can now be seen in the ... - Read More

New materials for bio-based hydrogen synthesis: Synthetic biology enables spontaneous protein activation

New materials, Spontaneous, Synthesis
Researchers at the Ruhr Universität Bochum RUB have discovered an efficient process for hydrogen biocatalysis They developed semi synthetic hydrogenases hydrogen generating enzymes by adding the protein's biological precursor to a chemically synthesized inactive iron ... - Read More

Game changer for synthesizing new materials: Method synthesizes thousands of new compounds with ultra low thermal conductivity

Conductivity, Compounds, New materials
University of Oregon chemist David C Johnson likens his lab's newly published accomplishments to combining two flavors of ice cream vanilla and chocolate and churning out thousands of flavors to appeal to any taste bud ... - Read More

Universal law for light absorption in 2-D semiconductors

Light, Semiconductors, Semiconductors, Light
From solar cells to optoelectronic sensors to lasers and imaging devices many of today's semiconductor technologies hinge upon the absorption of light Absorption is especially critical for nano sized structures at the interface between two ... - Read More

Tetrapod nanocrystals light the way to stronger polymers

nanocrystals
Fluorescent tetrapod nanocrystals could light the way to the future design of stronger polymer nanocomposites A team of researchers with the U S Department of Energy DOE 's Lawrence Berkeley National Laboratory Berkeley Lab has ... - Read More

Finding the keys to boiling heat transfer

A team of MIT researchers has succeeded in carrying out the first systematic investigation of the factors that control boiling heat transfer from a surface to a liquid This process is crucial to the efficiency ... - Read More

Race for new temperature definition: Most accurate measurement yet of Boltzmann constant

Temperature, temperature
Scientists at the UK's National Physical Laboratory NPL have performed the most accurate measurement yet of the Boltzmann constant While the impact of such an achievement is not immediately obvious the measurement could revolutionise the ... - Read More

Clarification of dynamical process of aluminum surface oxidation

Reaction, Reaction, Adsorption, Adsorption
Dr Mitsunori Kurahashi a Principal Researcher of the NIMS Nano Characterization Unit and Dr Yasushi Yamauchi a Group Leader in the same unit presented decisive evidence clarifying the dynamical process of aluminum surface oxidation by ... - Read More

Detecting homemade explosives, not toothpaste

Polymer, Polymer
Sandia National Laboratories researchers want airports border checkpoints and others to detect homemade explosives made with hydrogen peroxide without nabbing people whose toothpaste happens to contain peroxide That's part of the challenge faced in developing ... - Read More

High-efficiency zinc-air battery developed

Battery
Stanford University scientists have developed an advanced zinc air battery with higher catalytic activity and durability than similar batteries made with costly platinum and iridium catalysts The results published in the May 7 online edition ... - Read More

Top-class biofuel from the depths of the forest

Fuel
Tops and branches from tree felling sites are reborn in the laboratory as compact pellets However the energy industry will not act until the price is right We have all seen it when we walk ... - Read More

First precise MEMS output measurement technique unveiled

Energy, Energy, Energy, energy, energy
The commercial application of MEMS or micro electro mechanical systems will receive a major boost today following the presentation of a brand new way to accurately measure the power requirements and outputs of all existing ... - Read More
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