(PhysOrg.com) -- In 2008, scientists built a loudspeaker made of carbon nanotubes that produced sound and music based on the thermoacoustic effect. Now, a different team of scientists has built a loudspeaker made of tiny ...
(Phys.org)—The road to a sustainably powered future may be paved with superconductors. When chilled to frigid temperatures hundreds of degrees Celsius below zero, these remarkable materials are singularly capable of perfectly ...
Superconductivity
Jan 10, 2013
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Superconductors are materials that can achieve a state known as superconductivity, in which matter has no electrical resistance and does not allow the penetration of magnetic fields. At low temperatures, these materials are ...
(PhysOrg.com) -- In the 19th century novel, Flatland, by Edward A. Abbott, residents of that fictional country exist in only two dimensions. Women are born as line segments, while men come in a range of geometric shapes reflecting ...
Nanomaterials
May 19, 2011
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The modern world runs on electricity, and wires are what carry that electricity to every light, television, heating system, cellphone and computer on the planet. Unfortunately, on average, about 5% of the power generated ...
Superconductivity
Mar 24, 2023
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The nanoscale electronic parts in devices like smartphones are solid, static objects that once designed and built cannot transform into anything else. But University of California, Irvine physicists have reported the discovery ...
Nanophysics
Apr 17, 2023
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430
The next generation of superconducting magnets has the potential to revolutionize fields such as energy storage, particle accelerators and medicine. The magic behind these tools lies in the high-temperature superconducting ...
Superconductivity
Dec 16, 2021
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(PhysOrg.com) -- A team of physicists from the Universities of Cambridge and Birmingham have shown that electrons in narrow wires can divide into two new particles called spinons and a holons.
General Physics
Jul 30, 2009
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(PhysOrg.com) -- Carbon nanotubes offer big promise in a small package. For instance, these tiny cylinders of carbon molecules theoretically can carry 1,000 times more electric current than a metal conductor of the same size. ...
Nanophysics
Aug 17, 2011
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(AP) -- Boommi Gowda used to fear the night. Her vision fogged by glaucoma, she could not see by just the dim glow of a kerosene lamp, so she avoided going outside where king cobras slithered freely and tigers carried off ...
Energy & Green Tech
Jul 2, 2011
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