News tagged with strength
Graphene can be strengthened by folding
(PhysOrg.com) -- With a strength 200 times greater than that of steel, graphene is the strongest known material to exist. But now scientists have found that folding graphene nanoribbons into structures they ...
Nanotechnology / Nanomaterials
Sep 20, 2011 |
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Lighten up: Polaritons with tunable photon-exciton coherence
(PhysOrg.com) -- Of the many exotic and counterintuitive aspects of particle and quantum physics, exciton and polariton quasiparticles are among the most interesting. An exciton forms when a photon is absorbed ...
Jun 14, 2011 |
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Scientists Discover Material Harder Than Diamond
(PhysOrg.com) -- Currently, diamond is regarded to be the hardest known material in the world. But by considering large compressive pressures under indenters, scientists have calculated that a material called ...
Feb 12, 2009 |
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Being naughty or nice may boost willpower, physical endurance
New research from Harvard University suggests that moral actions may increase our capacity for willpower and physical endurance. Study participants who did good deeds -- or even just imagined themselves helping others -- ...
Medicine & Health / Psychology & Psychiatry
Apr 19, 2010 |
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Graphene may have advantages over copper for IC interconnects at the nanoscale
The unique properties of thin layers of graphite - known as graphene - make the material attractive for a wide range of potential electronic devices. Researchers have now experimentally demonstrated the potential ...
Nanotechnology / Nanomaterials
Jun 04, 2009 |
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Storing a Lightning Bolt in Glass for Portable Power
(PhysOrg.com) -- Materials researchers at Penn State University have reported the highest known breakdown strength for a bulk glass ever measured. Breakdown strength, along with dielectric constant, determines ...
May 05, 2009 |
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Magnetic testing process helps ensure reliability of microelectronic devices
(Phys.org) -- Taking advantage of the force generated by magnetic repulsion, researchers have developed a new technique for measuring the adhesion strength between thin films of materials used in microelectronic ...
Apr 12, 2012 |
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Engineers develop rapid, uniform dispersion method for carbon nanotubes in solutions and solids
(PhysOrg.com) -- Harnessing the power of carbon nanotubes could get considerably easier, thanks to an advance by engineers from the University of South Carolina and the University of Georgia.
Nanotechnology / Nanomaterials
Feb 15, 2012 |
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Study finds 'cool' gas may form and strengthen sunspots
Hydrogen molecules may act as a kind of energy sink that strengthens the magnetic grip that causes sunspots, according to scientists from Hawaii and New Mexico using a new infrared instrument on an old telescope.
Jan 31, 2012 |
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Microsoft advocates new WiFi-NC to make use of white spaces in spectrum
(PhysOrg.com) -- Four years ago, the FCC began allowing limited use of the so-called white spaces in the electromagnetic spectrum that is shared by all wireless devices (in the United States). The white spaces ...
Jan 09, 2012 |
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Breakthrough furnace can cut solar costs
(PhysOrg.com) -- Solar cells, the heart of the photovoltaic industry, must be tested for mechanical strength, oxidized, annealed, purified, diffused, etched, and layered.
Technology / Energy & Green Tech
Oct 25, 2011 |
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Graphene may open the gate to future terahertz technologies
Nestled between radio waves and infrared light is the terahertz (THz) portion of the electromagnetic spectrum. By adding a nanoscale bit of graphene, researchers have found a better way to tune radiation for a THz transmitter.
Sep 12, 2011 |
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Using magnets to help prevent heart attacks
If a person's blood becomes too thick it can damage blood vessels and increase the risk of heart attacks. But a Temple University physicist has discovered that he can thin the human blood by subjecting it to a magnetic field.
Jun 07, 2011 |
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Scientists identify gene that could hold the key to muscle repair
(PhysOrg.com) -- Researchers have long questioned why patients with Duchenne muscular dystrophy (DMD) tend to manage well through childhood and adolescence, yet succumb to their disease in early adulthood, or why elderly ...
Apr 18, 2011 |
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Universal detector made of DNA building blocks
(PhysOrg.com) -- A method for detecting such diverse substances as antibiotics, narcotics and explosives - a universal detector, so to speak - has been developed by German researchers at the Max Planck Institute ...
Mar 30, 2011 |
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