(Phys.org)—Plasmonic gold nanoparticles make pinpoint heating on demand possible. Now Rice University researchers have found a way to selectively heat diverse nanoparticles that could advance their use in medicine and industry.
Nanomaterials
Jan 3, 2013
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(Phys.org)—Modern precision measurements are spectacular feats of engineering. An excellent example is determining the passage of time. Before John Harrison's marine chronometer in the mid 18th century, ship clocks lost ...
General Physics
Dec 6, 2012
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The best yet calculations of the effect of blackbody radiation on the wavefunction of ytterbium atoms, should help produce a better atomic clock.
Quantum Physics
Dec 4, 2012
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BOSS, the Baryon Oscillation Spectroscopic Survey, is mapping a huge volume of space to measure the role of dark energy in the evolution of the universe. BOSS is the largest program of the third Sloan Digital Sky Survey (SDSS-III) ...
Astronomy
Nov 13, 2012
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(Phys.org) -- An applied electric voltage can prompt a centimeter-square slice of graphene to change and control the transmission of electromagnetic radiation with wavelengths from the terahertz to the midinfrared.
Nanophysics
Jun 15, 2012
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(PhysOrg.com) -- The first observation of a cosmic effect theorized 40 years ago could provide astronomers with a more precise tool for understanding the forces behind the universe's formation and growth, including the enigmatic ...
Astronomy
Mar 20, 2012
12
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A designer metamaterial has shown it can engineer emitted "blackbody" radiation with an efficiency beyond the natural limits imposed by the material's temperature, a team of researchers led by Boston College physicist Willie ...
Condensed Matter
Jul 22, 2011
7
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(PhysOrg.com) -- Tiny metallic particles produced by University of Adelaide chemistry researchers are bringing new hope for the production of cheap, efficient and clean hydrogen energy.
Materials Science
Jun 28, 2011
3
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(PhysOrg.com) -- The famous Crab Nebula supernova remnant has erupted in an enormous flare five times more powerful than any flare previously seen from the object. On April 12, NASA's Fermi Gamma-ray Space Telescope first ...
Astronomy
May 12, 2011
17
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(PhysOrg.com) -- Potential applications, says an engineering professor, include disease diagnosis and detection of concealed explosives.
General Physics
Jan 13, 2011
3
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