News tagged with theoretical calculations
Researchers create catalysts for use in hydrogen storage materials
Nanotechnology / Nanomaterials
Mar 24, 2009 |
2 / 5 (1) |
0
A team of scientists from Virginia Commonwealth University, the University of Uppsala in Sweden, and the Savannah River National Laboratory have identified that carbon nanostructures can be used as catalysts to store and ...
Nano-sonar uses electrons to measure under the surface
Feb 27, 2009 |
4.8 / 5 (6) |
1
Just as sonar sends out sound waves to explore the hidden depths of the ocean, electrons can be used by scanning tunnelling microscopes to investigate the well-hidden properties of the atomic lattice of metals. ...
An impossible alloy now possible
Feb 26, 2009 |
4.5 / 5 (21) |
8
What has been impossible has now been shown to be possible - an alloy between two incompatible elements. The findings are being published in this week's edition of Proceedings of the National Academy of Science, USA.
Search results for theoretical calculations
Cosmic entropy could be 100 times greater than previously thought
Oct 06, 2009 |
4.3 / 5 (20) |
11
(PhysOrg.com) -- A new analysis of supermassive black holes has discovered the entropy of the universe is much greater than previously thought, which means it may also be very slightly closer to ultimate heat death.
Electronic structure of DNA revealed for the first time
Nanotechnology / Bio & Medicine
Feb 28, 2008 |
4.3 / 5 (19) |
0
Utilizing a technique that combines low temperature measurements and theoretical calculations, Hebrew University of Jerusalem scientists and others have revealed for the first time the electronic structure of single DNA molecules.
Moving Quarks Help Solve Proton Spin Puzzle
Sep 11, 2008 |
4.3 / 5 (15) |
3
(PhysOrg.com) -- New theory work at the U.S. Department of Energy’s Thomas Jefferson National Accelerator Facility has shown that more than half of the spin of the proton is the result of the movement of its building blocks: ...
Formation of the smallest droplet of acid
Chemistry / Analytical Chemistry
Jun 19, 2009 |
3 / 5 (2) |
1
Exactly four water molecules and one hydrogen chloride molecule are necessary to form the smallest droplet of acid. This was the result of work by the groups of Prof. Dr. Martina Havenith (physical chemistry) ...
Potassium leads to better hydrogen-storage materials
Apr 15, 2009 |
4.7 / 5 (3) |
0
An international research team, including Professor Rajeev Ahuja's research group at Uppsala University, has shown that small additions of potassium drastically improve the hydrogen-storage properties of certain types of ...
Actinide research published in Reviews of Modern Physics
Feb 11, 2009 |
4.8 / 5 (10) |
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(PhysOrg.com) -- A Livermore researcher who teamed with a United Kingdom collaborator has published an article in Reviews of Modern Physics that refines decades of actinide science and may just become the preeminent research ...
Investigating new materials with ultracold atoms
Dec 04, 2008 |
4.6 / 5 (16) |
1
The investigation of complex materials such as high-temperature superconductors is problematic because of the presence of disorder and many competing interactions in real crystalline materials. "This makes ...
Modeling How Electric Charges Move
Mar 13, 2008 |
4.1 / 5 (9) |
0
Learning how to control the movement of electrons on the molecular and nanometer scales could help scientists devise small-scale circuits for many applications, including more efficient ways of storing and using solar energy. ...
Crammed with charged DNA, pressure rises inside virus
Biology /
Jun 05, 2007 |
4.3 / 5 (14) |
0
It could be an artist’s depiction of someone’s stomach before and after a rather decadent meal. But it is a 3-D cryoelectron microscope reconstruction of the cross-section of a virus, before and after cramming ...
Magnetism Governs Properties of Iron-Based Superconductors
Mar 18, 2009 |
3.5 / 5 (6) |
0
(PhysOrg.com) -- Though a year has passed since the discovery of a new family of high-temperature superconductors, a viable explanation for the iron-based materials’ unusual talent remains elusive. But a team ...
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