News tagged with composite structures

A pinwheel in many colors

(Phys.org) -- This image of the Pinwheel Galaxy, or also known as M101, combines data in the infrared, visible, ultraviolet and X-rays from four of NASA's space-based telescopes. This multi-spectral view shows ...

Space & Earth / Astronomy

created May 25, 2012 | popularity 5 / 5 (4) | comments 1

Dawn spacecraft reveals secrets of giant asteroid Vesta

(Phys.org) -- Findings from NASA's Dawn spacecraft reveal new details about the giant asteroid Vesta, including its varied surface composition, sharp temperature changes and clues to its internal structure. ...

Space & Earth / Space Exploration

created Apr 26, 2012 | popularity 4.4 / 5 (7) | comments 4 | with audio podcast

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 ...

Biology / Other

created Apr 25, 2012 | popularity not rated yet | comments 0

The earliest stages of planet formation

(PhysOrg.com) -- Small dust particles in a disk of gas around a young star, according to current models, gradually coagulate during the first million years until kilometer-sized objects are formed. These in ...

Space & Earth / Astronomy

created Mar 26, 2012 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Astronomers map dark matter distribution in 3D in Abell 383 galaxy cluster

(PhysOrg.com) -- Two teams of astronomers have used data from NASA's Chandra X-ray Observatory and other telescopes to map the distribution of dark matter in a galaxy cluster known as Abell 383, which is located ...

Space & Earth / Astronomy

created Mar 14, 2012 | popularity 4.8 / 5 (9) | comments 33 | with audio podcast

Earth siblings can be different: Chemical clues on the formation of planetary systems

An international team of researchers, with the participation of IAC astronomers, has discovered that the chemical structure of Earth-like planets can be very different from the bulk composition of the Earth. ...

Space & Earth / Astronomy

created Feb 23, 2012 | popularity not rated yet | comments 0

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.

Chemistry / Materials Science

created Feb 17, 2012 | popularity 5 / 5 (1) | comments 0

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

created Feb 14, 2012 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

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 ...

Physics / General Physics

created Jan 25, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

New family of composite structures

Material scientists at ETH-Zürich are working on composite materials that mimic the structure of seashells. Such complex structures are produced using tiny magnetic particles which guide the composites' ...

Nanotechnology / Nanomaterials

created Jan 13, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Vascular composites enable dynamic structural materials

Taking their cue from biological circulatory systems, University of Illinois researchers have developed vascularized structural composites, creating materials that are lightweight and strong with potential for self-healing, ...

Chemistry / Materials Science

created Jul 26, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Two NASA probes tackle new mission: Studying the moon

(PhysOrg.com) -- Two small NASA probes that had been used to study space weather now are orbiting the moon to study its interior and surface composition.

Space & Earth / Space Exploration

created Jul 20, 2011 | popularity 3 / 5 (1) | comments 0

Cracking a tooth: 3-D map of atoms sheds light on nanoscale interfaces in teeth, may aid materials design

Teeth and bone are important and complex structures in humans and other animals, but little is actually known about their chemical structure at the atomic scale. What exactly gives them their renowned toughness, hardness ...

Nanotechnology / Nanomaterials

created Jan 12, 2011 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Lungfish teeth could hold key to better cars, planes

(PhysOrg.com) -- The tooth enamel of lungfish and garfish could provide the basis for new material to make lighter more efficient aircraft or vehicles, says a Queensland University of Technology (QUT) physics ...

Chemistry / Materials Science

created Nov 29, 2010 | popularity 5 / 5 (5) | comments 3 | with audio podcast

Long-distance communication, microbial style

Scientists knew that the microbe Shewanella oneidensis transformed the electronic structure of the iron oxide it touched in the ground as well as without direct contact. Scientists from Pacific Northwest National ...

Chemistry / Biochemistry

created Oct 06, 2010 | popularity 5 / 5 (4) | comments 0