U.S. Naval Research Laboratory Chemistry Division scientists have developed a second generation, cost-effective polyetheretherketone (PEEK)-like phthalonitrile-resin demonstrating superior high temperature ...
Apr 17, 2013
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(Phys.org) —At very low temperatures, near absolute zero, multiple particles called bosons can form an unusual state of matter in which a large fraction of the bosons in a gas occupy the same quantum state—the ...
Apr 10, 2013
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(Phys.org)—In ytterbium nickel phosphide there is a quantum critical point between the ferromagnetic and non-magnetic states that was previously not thought possible.
Feb 27, 2013
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Glass doesn't have to be brittle. Scientists propose a way of predicting whether a given glass will be brittle or ductile—a property typically associated with metals like steel or aluminum—and assert that any glass could ...
Feb 26, 2013
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The transistor is the ultimate on-off switch. When a voltage is applied to the surface of a semiconductor, current flows; when the voltage is reversed, current is blocked. Researchers have tried for decades ...
Feb 08, 2013
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Novel, smart materials like shape memory alloys very often display so-called glass-like magnetism. Other smart materials with similar properties include those which, when exposed to a magnetic field, change their electrical ...
Jan 28, 2013
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It stiffens when heated and retains moisture a hundred times better than other gels. Chemists at Radboud University Nijmegen, The Netherlands, have created a gel made from helical polymers. The molecules twist together to ...
Jan 23, 2013
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(Phys.org)—By doping a bismuth-based layered material with silver, Chinese scientists demonstrated that superconductivity is intrinsic to the new material rather than stemming from its impurities.
Dec 20, 2012
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More extreme heat waves have been observed in central Europe in recent years as summer temperature variability has increased on both daily and interannual timescales. Models project that as the climate warms throughout the ...
Dec 18, 2012
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Researchers with the DOE's Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California, Berkeley, have developed an elegant and powerful new microscale actuator that can flex like ...
Dec 17, 2012
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The name Higgs has been the talk of the town this year, since the elusive 'Higgs boson'—an elementary particle that, among other things, endows other particles with mass—was discovered in the CERN research ...
Dec 14, 2012
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(Phys.org)—The investigation of ultracold molecules is of great interest for a number of problems. It could lead to a better understanding of chemical reactions in astrophysics. Ensembles of ultracold molecules ...
Nov 14, 2012
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(Phys.org)—Researchers at the Carnegie Institution have discovered a new efficient way to pump heat using crystals. The crystals can pump or extract heat, even on the nanoscale, so they could be used on ...
Nov 05, 2012
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(Phys.org)—Technologies such as microelectronics and lithography require nanoscale polymer films that sit atop various other materials. An understanding of the interplay between the dynamics of the thin ...
Sep 25, 2012
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A NIMS research group has discovered a new material, NaCr2O4, which displays a novel type of colossal magnetoresistance effect. The new material was developed by ultra-high pressure synthesis.
Aug 28, 2012
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