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News tagged with cracks

Group uses controlled cracking for nanofabrication

(Phys.org) -- When creating nanomaterials, cracking is generally considered a problem; it usually means something has gone wrong and the result, as with other material making processes such as glass or ceramics, ...

Nanotechnology / Nanophysics

created May 10, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast report

Secret soil cracks linger underground

(Phys.org) -- Deep cracks in soil that appear during long dry spells can remain open underground even after they have visibly sealed on the surface, a new study has found.

Space & Earth / Earth Sciences

created May 15, 2012 | popularity 4.8 / 5 (4) | comments 1

New graphene discovery boosts oil exploration efforts, could enable self-powered microsensors

(PhysOrg.com) -- Researchers at Rensselaer Polytechnic Institute have developed a new method to harvest energy from flowing water. This discovery aims to hasten the creation of self-powered microsensors for ...

Nanotechnology / Nanomaterials

created Jul 19, 2011 | popularity 3.9 / 5 (8) | comments 8 | with audio podcast

'BacillaFilla' for concrete cracks

A bacteria that can knit together cracks in concrete structures by producing a special 'glue' has been developed by a team of students at Newcastle University.

Technology / Engineering

created Nov 12, 2010 | popularity 5 / 5 (23) | comments 13 | with audio podcast

Research teams develop rolling microcapsules to repair micro-sized defects in surfaces

(PhysOrg.com) -- Imagine if instead of relying on special x-ray or electrical current testing technology to find really tiny cracks in the skin that covers an airplane, microcapsules filled with easily detected ...

Nanotechnology / Nanomaterials

created Jan 10, 2012 | popularity 5 / 5 (2) | comments 2 | with audio podcast report

New data finds regions of North America have remained extremely stable for more than one billion years

Like lines in a deeply weathered face, the cracks and fissures in the Earth’s crust reveal a long and tumultuous lifetime. Massive continent-bearing plates have come together and broken apart, setting ...

Space & Earth / Earth Sciences

created Jan 06, 2012 | popularity 4 / 5 (3) | comments 2 | with audio podcast

Cultivating a cure for concrete cancer

'Self-healing' concrete is being developed by researchers at Northumbria University which could see cracks in concrete buildings become a thing of the past.

Technology / Engineering

created May 01, 2012 | popularity not rated yet | comments 0

Listening to the stars

It is almost night on the island of Puerto Rico. Astronomer Joanna Rankin raises her head toward the sky. A few of the brightest stars shine through blue cracks in a ragged dome of gray clouds. To her back, ...

Space & Earth / Astronomy

created Dec 01, 2011 | popularity 5 / 5 (4) | comments 3 | with audio podcast

ElcomSoft undoes Apple's location security fix

(PhysOrg.com) -- ElcomSoft, a Russian computer forensics company that first came to the attention of the public in 2002 when it was sued and cleared of violations of the Digital Millennium Copyright Act for ...

Technology / Software

created May 25, 2011 | popularity not rated yet | comments 3 | with audio podcast weblog

Bridge destruction to reveal clues about 'fracture-critical' spans

A civil engineer at Purdue University is taking advantage of the demolition of a bridge spanning the Ohio River to learn more about how bridges collapse in efforts to reduce the annual cost of inspecting large ...

Technology / Engineering

created Jul 28, 2011 | popularity 4.8 / 5 (5) | comments 1 | with audio podcast

'Sensing skin' could monitor the health of concrete infrastructure continually and inexpensively

In 2009, the American Society of Civil Engineers (ASCE) assigned the grade "D" to the overall quality of infrastructure in the U.S. and said that ongoing evaluation and maintenance of structures was one of ...

Technology / Engineering

created Jun 29, 2011 | popularity 4.3 / 5 (3) | comments 1 | with audio podcast

NASA finds more cracks on Discovery fuel tank

NASA said Thursday it has found four more small cracks on the metal supports of the shuttle Discovery's external fuel tank, as the aging shuttle undergoes X-ray testing before its final space mission next ...

Space & Earth / Space Exploration

created Dec 31, 2010 | popularity 5 / 5 (5) | comments 6

Alcohol most harmful drug based on multicriteria analysis (Update)

(PhysOrg.com) -- A new system that ranks drugs on the basis of harm caused to both the user and others places alcohol as the most harmful drug, above heroin and crack. The scale, developed by drug experts led by Professor ...

Medicine & Health / Health

created Nov 01, 2010 | popularity 3.5 / 5 (13) | comments 12 | with audio podcast

NASA finds 4th crack on space shuttle fuel tank

(AP) -- NASA has found a fourth crack in the fuel tank for space shuttle Discovery.

Space & Earth / Space Exploration

created Nov 15, 2010 | popularity 5 / 5 (2) | comments 4

Avalanche of reactions at the origin of life

The origin of life is seen as the formation of the first biomolecules which may be subject to multiplication and further development. Hitherto it was unclear, which reactions could have triggered the evolution of this ur-metabolism. ...

Chemistry / Biochemistry

created Jan 19, 2012 | popularity 4.8 / 5 (6) | comments 2

Crack

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