News tagged with materials science
Metal-Air Battery Could Store 11 Times More Energy than Lithium-Ion
Nov 05, 2009 |
4.4 / 5 (51) |
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(PhysOrg.com) -- A spinoff company from Arizona State University plans to build a new battery with an energy density 11 times greater than that of lithium-ion batteries for just one-third the cost. With a ...
Researchers boost solar cell efficiency
Nov 24, 2008 |
4.7 / 5 (46) |
6
(PhysOrg.com) -- New ways of squeezing out greater efficiency from solar photovoltaic cells are emerging from computer simulations and lab tests conducted by a team of physicists and engineers at MIT.
Why Does Water Expand When it Cools? A New Explanation
Jul 17, 2009 |
4.2 / 5 (39) |
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(PhysOrg.com) -- Most of us, when we take our first science classes, learn that when things cool down, they shrink. (When they heat up, we learn, they usually expand.) However, water seems to be the exception ...
Scientists create tiny backpacks for cells
Nanotechnology / Nanomaterials
Nov 05, 2008 |
4 / 5 (22) |
2
(PhysOrg.com) -- MIT engineers have outfitted cells with tiny “backpacks” that could allow them to deliver chemotherapy agents, diagnose tumors or become building blocks for tissue engineering.
Stretching opens up possibilities for graphene
Nanotechnology / Nanomaterials
Sep 28, 2009 |
4.9 / 5 (13) |
1
(PhysOrg.com) -- Researchers say they have found a simple way to improve the semiconducting properties of the world’s thinnest material - by giving it a good tug.
Nanoparticles Deliver Their Cargo, Then Disappear
Nanotechnology / Bio & Medicine
Nov 15, 2008 |
3.9 / 5 (13) |
0
(PhysOrg.com) -- Medical researchers are looking at any number of new methods to get drugs to specific locations in the body. Some methods are efficient but less safe, while others are safe but often fail ...
Better control of carbon nanotube 'growth' promising for future electronics
Nanotechnology / Nanomaterials
Oct 01, 2009 |
4.9 / 5 (9) |
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(PhysOrg.com) -- Researchers have overcome a major obstacle in efforts to use tiny structures called carbon nanotubes to create a new class of electronics that would be faster and smaller than conventional ...
New methods are changing old materials
Oct 28, 2009 |
4.4 / 5 (10) |
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(PhysOrg.com) -- A company that makes steel for bearings used in heavy trucks had a big problem. The trucks travel through harsh, perilous environments such as Siberia, and an unexpected bearing failure on ...
Lunar rock-like material may someday house moon colonies
Jan 05, 2009 |
4.6 / 5 (9) |
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(PhysOrg.com) -- Dwellings in colonies on the moon one day may be built with new, highly durable bricks developed by students from the College of Engineering at Virginia Tech.
A snapshot of the transformation of nanoscale structures
Sep 11, 2008 |
3.9 / 5 (10) |
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Researchers have achieved a milestone in materials science and electron microscopy by taking a high-resolution snapshot of the transformation of nanoscale structures.
Acoustic tweezers can position tiny objects
Nanotechnology / Nanomaterials
Aug 28, 2009 |
5 / 5 (7) |
1
(PhysOrg.com) -- Manipulating tiny objects like single cells or nanosized beads often requires relatively large, unwieldy equipment, but now a system that uses sound as a tiny tweezers can be small enough ...
Camera flash turns an insulating material into a conductor
Aug 12, 2009 |
5 / 5 (6) |
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An insulator can now be transformed to conduct electricity by an ordinary camera flash.
Scientists replace chrome coatings with safer metal alloys
May 20, 2009 |
4.4 / 5 (5) |
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(PhysOrg.com) -- Ever since the 1940s, chrome has been used to add a protective coating and shiny luster to a wide range of metal products, from bathroom fixtures to car bumpers.
Chemists find secret to increasing luminescence efficiency of carbon nanotubes (Animation)
Nanotechnology / Nanomaterials
Mar 06, 2009 |
5 / 5 (3) |
0
Chemists at the University of Connecticut have found a way to greatly increase the luminescence efficiency of single-walled carbon nanotubes, a discovery that could have significant applications in medical ...
PICO and SALVE: Understanding the subatomic world better
Dec 18, 2008 |
4.3 / 5 (3) |
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Two new high-resolution transmission electron microscopes, co-financed by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation), are set to open up new opportunities for research in physics and materials science. ...
