News articles tagged with 'atom' (Page 2)
Neutron analysis reveals '2 doors down' superconductivity link
— 8 Feb 2011 17:24 | PhysicsNeutron scattering analysis of two families of iron-based materials suggests that the magnetic interactions thought responsible for high-temperature superconductivity may lie 'two doors…
Bound neutrons pave way to free ones
— 8 Feb 2011 17:21 | PhysicsA study of bound protons and neutrons conducted at the Department of Energy's Thomas Jefferson National Accelerator Facility has allowed scientists, for the first time, to extract information…
Quantum quirk: JILA scientists pack atoms together to prevent collisions in atomic clock
— 4 Feb 2011 16:52 | TechnologyIn a paradox typical of the quantum world, JILA scientists have eliminated collisions between atoms in an atomic clock by packing the atoms closer together. The surprising discovery,…
Scientists customise a magnet's performance by strategically replacing key atoms
— 1 Feb 2011 21:09 | TechnologyScientists have given us a plethora of new materials - all created by combining individual elements under varying temperatures and other conditions. But to tweak an intermetallic compound…
Physicists take new look at the atom
— 26 Jan 2011 19:13 | PhysicsMeasuring the attractive forces between atoms and surfaces with unprecedented precision, University of Arizona physicists have produced data that could refine our understanding of the…
Self-assembling structures open door to new class of materials
— 14 Jan 2011 16:41 | TechnologyResearchers at the University of Illinois and Northwestern University have demonstrated bio-inspired structures that self-assemble from simple building blocks: spheres…
Caltech-led team creates damage-tolerant metallic glass
— 13 Jan 2011 16:51 | TechnologyGlass is inherently strong, but when it cracks or otherwise fails, it proves brittle, shattering almost immediately. Steel and other metal alloys tend to be tough - they resist shattering…
Cracking a tooth
— 13 Jan 2011 16:00 | TechnologyTeeth 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…
Direct observation of carbon monoxide binding to metal-porphyrines
— 10 Jan 2011 19:16 | ChemistryThe mechanism for binding oxygen to metalloporphyrins is a vital process for oxygen-breathing organisms. Understanding how small gas molecules are chemically bound to the metal complex…
Supercomputer unravels structures in DVD materials
— 9 Jan 2011 19:12 | TechnologyAlthough 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…