News tagged with composition
Chilly times for Chinese dinosaurs
Dinosaurs did not always enjoy mild climates. New findings show that during part of the Early Cretaceous, north-east China had a temperate climate with harsh winters. They explain the abundance of feathered ...
Other Sciences / Archaeology & Fossils
Mar 11, 2011 |
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Moth eyes inspire antireflective surfaces for military applications
(PhysOrg.com) -- If you look closely at the surface of a moth's cornea, you see that it is comprised of tiny protruding bumps. These bumps exist to keep moths safe from predators by preventing light from reflecting ...
Mar 08, 2011 |
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Cassini finds Enceladus is a powerhouse
(PhysOrg.com) -- Heat output from the south polar region of Saturn's moon Enceladus is much greater than was previously thought possible, according to a new analysis of data collected by NASA's Cassini spacecraft. ...
Space & Earth / Space Exploration
Mar 08, 2011 |
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UCL space missions get the go-ahead
University College London space scientists are involved in two out of four missions that have been selected by the European Space Agency to compete for a launch opportunity at the start of the 2020s.
Space & Earth / Space Exploration
Mar 03, 2011 |
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Land use affects the composition of the atmosphere
Tropical deforestation not only has a large impact on the carbon cycle and climate, but also affects the chemistry of the atmosphere.
Mar 01, 2011 |
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Silver-diamond composite offers cooling capabilities for electronics
(PhysOrg.com) -- Researchers at the Georgia Tech Research Institute (GTRI) are developing a solid composite material to help cool small, powerful microelectronics used in defense systems. The material, composed ...
Mar 01, 2011 |
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A new type of composite material with peapod structures can help improve performance of lithium-ion batteries
Lithium-ion batteries are used to power a wide range of electronic devices, including computers, cameras, digital audio players and calculators. Tremendous effort has been devoted to the development of lithium-ion ...
Nanotechnology / Nanomaterials
Feb 09, 2011 |
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Study: Neighborhood natives move out when immigrants move in
Native residents of a neighborhood are more likely to move out when immigrants move in, according to new research by three American sociologists.
Other Sciences / Social Sciences
Feb 08, 2011 |
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Synthetic materials that behave like mollusk shells
Nacre, commonly known as mother-of-pearl, is the iridescent material lining many mollusk shells. It is part of a two-layer armor system that protects the animal from predators. The brittle outer layer of the shell absorbs ...
Feb 02, 2011 |
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Test shows dinosaurs survived mass extinction by 700,000 years
University of Alberta researchers determined that a fossilized dinosaur bone found in New Mexico confounds the long established paradigm that the age of dinosaurs ended between 65.5 and 66 million years ago.
Other Sciences / Archaeology & Fossils
Jan 27, 2011 |
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Plasmonic metamaterials: From microscopes to invisibility cloaks
(PhysOrg.com) -- A new class of artificial materials called metamaterials -- which derive their properties from carefully engineered, nanostructured building blocks rather than from their chemical composition ...
Jan 21, 2011 |
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Scientific evidence supports effectiveness of Chinese drug for cataracts
Scientists are reporting a scientific basis for the long-standing belief that a widely used non-prescription drug in China and certain other countries can prevent and treat cataracts, a clouding of the lens of the eye that ...
Jan 12, 2011 |
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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
Jan 12, 2011 |
4.7 / 5 (3) |
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Heat-resistant ceramic coatings studied
AFOSR-supported research at the University of Arizona is investigating high temperature resistant ceramic coatings that will provide thermal protection for Air Force hypersonic flight vehicles.
Dec 22, 2010 |
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Using composites for traffic bridges could save time and money
Extensive use of advanced composite materials – glass and /or carbon fibre reinforced polymers – could be the answer to building bridges in half the time, thereby dramatically reducing costs and ...
Dec 20, 2010 |
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