News tagged with change materials

Topological transitions in metamaterials

The ability to control the flow of electrons using engineered materials is fundamental to the information technology revolution, yet many properties of matter are still unclear. Now a University of Alberta researcher is closer ...

Physics / Optics & Photonics

created Apr 14, 2012 | popularity 4.2 / 5 (6) | comments 1

New understanding of how materials change when rapidly heated

Collaboration between the University of Southampton and the University of Cambridge has made ground-breaking advances in our understanding of the changes that materials undergo when rapidly heated.

Physics / Condensed Matter

created Mar 29, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Hunters, not climate change, killed giant beasts 40,000 years ago

The first Australians hunted giant kangaroos, rhinoceros-sized marsupials, huge goannas and other megafauna to extinction shortly after arriving in the country more than 40,000 years ago, new research claims.

Biology / Ecology

created Mar 22, 2012 | popularity 4.8 / 5 (12) | comments 25 | with audio podcast

Cheap beads offer alternative solar-heating storage

A cheap material that can store heat energy collected from the sun during the day that can be released slowly over night has been developed by researchers in the India. The material based on paraffin wax and stearic acid ...

Technology / Energy & Green Tech

created Dec 02, 2011 | popularity 4.7 / 5 (9) | comments 16 | with audio podcast

Spider silk glue inspires next-generation technology

(PhysOrg.com) -- Water affects orb spider web glue differently than cobweb glue. Orb web glue reacts to humidity, but cobweb glue resists it. These findings by a University of Akron research team inspire the ...

Chemistry / Materials Science

created Jul 22, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Study brings brain-like computing a step closer to reality

(PhysOrg.com) -- The development of 'brain-like' computers has taken a major step forward today with the publication of research led by the University of Exeter.

Physics / Condensed Matter

created Jun 23, 2011 | popularity 4.9 / 5 (9) | comments 5 | with audio podcast

How tiny microbes took a big bite out of the Deepwater Horizon oil spill

(PhysOrg.com) -- Methane, a potent greenhouse gas, seeps naturally from the seafloor in many places around the planet, including in the Gulf of Mexico.

Space & Earth / Earth Sciences

created May 24, 2011 | popularity 5 / 5 (5) | comments 0 | with audio podcast

CO2 makes life difficult for algae

The acidification of the world's oceans could have major consequences for the marine environment. New research shows that coccoliths, which are an important part of the marine environment, dissolve when seawater acidifies.

Space & Earth / Earth Sciences

created May 10, 2011 | popularity 4.7 / 5 (3) | comments 11

Chemist investigates material for next-generation computer memory

Investigating the building blocks for next-generation computer memory has earned a University of Houston (UH) chemist his third Tier One research award.

Chemistry / Materials Science

created May 09, 2011 | popularity 3 / 5 (1) | comments 0

Nature of bonding determines thermal conductivity

Optical data carriers such as DVDs, Blu-rays and CD-RWs store data in layers of so-called "phase change materials". In the future, these materials will enable the development of fast, non-volatile and energy-saving main memories. ...

Physics / Condensed Matter

created May 03, 2011 | popularity not rated yet | comments 1 | with audio podcast

Back to the future with mummified trees

When in Quttinirpaaq National Park in the Canadian Arctic, Ohio State University Earth scientist Joel Barker initially spotted some pieces of dead trees scattered on the barren ground near a glacier. Immediately, ...

Space & Earth / Earth Sciences

created Mar 17, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Supercomputer unravels structures in DVD materials

Although the storage of films and music on a DVD is part of our digital world, the physical basis of the storage mechanism is not understood in detail. In the current issue of the leading journal Nature Ma ...

Physics / Condensed Matter

created Jan 09, 2011 | popularity 5 / 5 (11) | comments 1 | with audio podcast

Green Carbon Center takes all-inclusive view of energy

Rice University has created a Green Carbon Center to bring the benefits offered by oil, gas, coal, wind, solar, geothermal, biomass and other energy sources together in a way that will not only help ensure the world's energy ...

Space & Earth / Environment

created Oct 22, 2010 | popularity 1 / 5 (1) | comments 0

Magical BEANs: New nano-sized particles could provide mega-sized data storage

The ability of phase-change materials to readily and swiftly transition between different phases has made them valuable as a low-power source of non-volatile or “flash” memory and data storage. Now an entire ...

Nanotechnology / Nanophysics

created Sep 17, 2010 | popularity 4 / 5 (10) | comments 2 | with audio podcast

Experts say federal nuclear waste panel overlooks public mistrust

A renewed federal effort to fix the nation's stalled nuclear waste program is focusing so much on technological issues that it fails to address the public mistrust hampering storage and disposal efforts.

Space & Earth / Environment

created Aug 12, 2010 | popularity 5 / 5 (1) | comments 0