News tagged with material composition
Better, stronger, lighter armor
What makes a piece of armor effective? Sure, it needs to be strong, and it should be lightweight. But what is it about a material's composition that gives it such properties? And can we develop materials that ...
May 22, 2012 |
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Inspired by insects: For treatment of vocal fold disorders, researchers look to insect protein
A one-inch long grasshopper can leap a distance of about 20 inches. Cicadas can produce sound at about the same frequency as radio waves. Fleas measuring only millimeters can jump an astonishing 100 times ...
Apr 25, 2012 |
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Artificial comet contains building blocks of life
The first molecules of life form naturally in comets, reveals a French-German study led by Uwe Meierhenrich and Cornelia Meinert at the Institut de Chimie de Nice and by Louis Le Sergeant d'Hendecourt at the ...
Space & Earth / Space Exploration
Mar 21, 2012 |
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Advanced radiation sensor reveals material composition within a second
At the Micro and Nano Laboratory in Gaustadbekkdalen in Oslo, Sweden, scientists have created one of the most advanced radiation sensors in the world: an X-ray detector that can reveal the composition of materials ...
Mar 05, 2012 |
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Nanostructure of cellulose microfibrils in spruce wood
Scientists at Institut Laue-Langevin in Europe recently described in PNAS the first detailed structure of cellulose fibres from any higher plant.
Feb 17, 2012 |
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Shear stiffness and friction mechanics of single-layer graphene measured for the first time
Researchers from the University of Bristol have measured and identified for the first time the stress and strain shear modulus and internal friction of graphene sheets. Graphene is a material that has many ...
Nanotechnology / Nanomaterials
Feb 14, 2012 |
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Nanotechnology may lead to more energy-efficient electronics
Carbon nanotubes and graphene consist of just a couple of layers of carbon atoms, but they are lighter than aluminium, stronger than steel and can bend like spring-coils. Physicist Niklas Lindahl at the University ...
Nanotechnology / Nanomaterials
Feb 14, 2012 |
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X-rays reveal why sea urchins are no easy prey
(PhysOrg.com) -- The spine of a sea urchin is 99.9% chalk, a very common material forming tiny crystals that are very hard but easy to break apart. Scientists have now discovered how these marine animals use ...
Chemistry / Analytical Chemistry
Feb 14, 2012 |
4.8 / 5 (4) |
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Self-assembling nanorods: Researchers obtain 1-, 2- and 3-D nanorod arrays and networks
(PhysOrg.com) -- A relatively fast, easy and inexpensive technique for inducing nanorods - rod-shaped semiconductor nanocrystals - to self-assemble into one-, two- and even three-dimensional macroscopic structures ...
Nanotechnology / Nanomaterials
Feb 01, 2012 |
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Hacking the SEM: Crystal phase detection for nanoscale samples
(PhysOrg.com) -- Custom modifications of equipment are an honored tradition of the research lab. In a recent paper, two materials scientists at the National Institute of Standards and Technology describe how ...
Jan 25, 2012 |
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Creation of database for promising adsorbents for decontamination of radioactive substances from nuclear power plants
(PhysOrg.com) -- NIMS is collecting basic data on natural minerals produced in various regions and inorganic materials with different chemical compositions as a tool for selecting suitable materials, and will make this information ...
Jan 13, 2012 |
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Experiments prove nanoscale metallic conductivity in ferroelectrics
(PhysOrg.com) -- The prospect of electronics at the nanoscale may be even more promising with the first observation of metallic conductance in ferroelectric nanodomains by researchers at Oak Ridge National ...
Jan 09, 2012 |
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Infrared technology for measuring the effect of fire on materials
Researchers at Universidad Carlos III de Madrid are developing an infrared measuring method to analyze the thermal properties and resistance to fire of composite materials. This advance would have applications ...
Dec 19, 2011 |
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Graphene earns its stripes: New nanoscale electronic state discovered on graphene sheets
Researchers from the London Centre for Nanotechnology (LCN) have discovered electronic stripes, called 'charge density waves', on the surface of the graphene sheets that make up a graphitic superconductor. ...
Nanotechnology / Nanomaterials
Nov 29, 2011 |
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Why NHL goalies prefer wooden sticks?
Goalies in the National Hockey League overwhelmingly continue to use wooden sticks largely indistinguishable from those used decades ago by their mask-less predecessors.
Nov 18, 2011 |
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