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, ...
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
May 15, 2012 |
4.8 / 5 (4) |
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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
Jul 19, 2011 |
3.9 / 5 (8) |
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'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.
Nov 12, 2010 |
5 / 5 (23) |
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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 ...
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 Earths crust reveal a long and tumultuous lifetime. Massive continent-bearing plates have come together and broken apart, setting ...
Space & Earth / Earth Sciences
Jan 06, 2012 |
4 / 5 (3) |
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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.
May 01, 2012 |
not rated yet |
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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, ...
Dec 01, 2011 |
5 / 5 (4) |
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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 ...
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 ...
Jul 28, 2011 |
4.8 / 5 (5) |
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'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 ...
Jun 29, 2011 |
4.3 / 5 (3) |
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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
Dec 31, 2010 |
5 / 5 (5) |
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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 ...
Nov 01, 2010 |
3.5 / 5 (13) |
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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
Nov 15, 2010 |
5 / 5 (2) |
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. ...
Jan 19, 2012 |
4.8 / 5 (6) |
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Crack
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