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News tagged with strength

A super tiny giraffe (w/ Video)

Shaahin Amini was ready to quit. The Ph.D. student at the University of California, Riverside's Bourns College of Engineering had spent three hours looking into a microscope scanning a maze of black-and-white crosshatched ...

Other Sciences / Other

created May 30, 2012 | popularity 5 / 5 (4) | comments 0

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

created Sep 20, 2011 | popularity 4.5 / 5 (17) | comments 14 | with audio podcast feature

Fabrication of new elastic 'soft capsule' using nano-sized flakes

A research group headed by MANA Scientist Dr. Qingmin Ji of the National Institute for Materials Science (Japan), in joint study with Prof. Frank Caruso of the University of Melbourne, developed a new elastic ...

Nanotechnology / Bio & Medicine

created May 30, 2012 | popularity not rated yet | comments 0

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 ...

Physics / Optics & Photonics

created Jun 14, 2011 | popularity 5 / 5 (7) | comments 0 | with audio podcast feature

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 ...

Physics / Condensed Matter

created Feb 12, 2009 | popularity 4.5 / 5 (62) | comments 28

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

created Apr 19, 2010 | popularity 5 / 5 (13) | comments 4 | with audio podcast

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 ...

Physics / Condensed Matter

created May 05, 2009 | popularity 4.1 / 5 (24) | comments 9

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.

Space & Earth / Astronomy

created Jan 31, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

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

created Feb 15, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

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 ...

Physics / Condensed Matter

created Apr 12, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

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 ...

Technology / Telecom

created Jan 09, 2012 | popularity 4.3 / 5 (6) | comments 0 | with audio podcast weblog

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

created Oct 25, 2011 | popularity 5 / 5 (8) | comments 11 | with audio podcast

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.

Nanotechnology / Nanophysics

created Sep 12, 2011 | popularity 4.9 / 5 (7) | comments 11 | with audio podcast

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

created Jun 04, 2009 | popularity 5 / 5 (8) | comments 0

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.

Physics / General Physics

created Jun 07, 2011 | popularity 4.8 / 5 (6) | comments 8 | with audio podcast