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News tagged with strength

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

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

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

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

Scientists discover new principle in material science

(PhysOrg.com) -- Materials scientists have known that a metal's strength (or weakness) is governed by dislocation interactions, a messy exchange of intersecting fault lines that move or ripple within metallic ...

Nanotechnology / Nanomaterials

created Apr 07, 2010 | popularity 4.8 / 5 (10) | comments 1 | with audio podcast

Blackberry rejects Apple's signal loss claim

Blackberry maker Research in Motion (RIM) has fired back at Apple over its claim that all smartphones suffer signal loss when held in a certain way.

Technology / Business

created Jul 19, 2010 | popularity 4.3 / 5 (10) | comments 6

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

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

Scientists test blast-resistant concrete

Engineers at the University of Liverpool have tested a new form of concrete designed to reduce the impact of bomb blasts in public areas.

Technology / Engineering

created Jan 22, 2009 | popularity 4.5 / 5 (8) | comments 1

Low levels of vitamin D linked to muscle fat, decreased strength in young people

There's an epidemic in progress, and it has nothing to do with the flu. A ground-breaking study published in the March 2010 Journal of Clinical Endocrinology and Metabolism found an astonishing 59 per cent of study subjec ...

Medicine & Health / Health

created Mar 05, 2010 | popularity 5 / 5 (7) | comments 2 | with audio podcast

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

Wi-Fi signals can see through walls

(PhysOrg.com) -- Researchers at the University of Utah, USA, have discovered that variations in signal strengths in wireless networks can be used to "see" movements of people on the other side of walls or ...

Technology / Engineering

created Oct 05, 2009 | popularity 4.3 / 5 (8) | comments 2 weblog

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

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

Why are action stars more likely to be Republican?

Fighting ability, largely determined by upper body strength, continues to rule the minds of modern men, according to a new study by Aaron Sell from Griffith University in Australia and colleagues. Their work explores the ...

Other Sciences / Social Sciences

created Apr 10, 2012 | popularity 3.2 / 5 (9) | comments 12