Search results for indentation fracture
Open wide and say 'zap'
Aug 18, 2009 |
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A group of researchers in Australia and Taiwan has developed a new way to analyze the health of human teeth using lasers. As described in the latest issue of Optics Express,, by measuring how the surface of a tooth respon ...
MIT slows concrete creep to a crawl
Jun 16, 2009 |
4.9 / 5 (12) |
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MIT civil engineers have for the first time identified what causes the most frequently used building material on earth — concrete — to gradually deform, decreasing its durability and shortening the lifespan of infrastructures ...
Findings uncover new details about mysterious virus
Apr 28, 2009 |
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(PhysOrg.com) -- An international team of researchers has determined key structural features of the largest known virus, findings that could help scientists studying how the simplest life evolved and whether the unusual virus ...
Scientists Discover Material Harder Than Diamond
Feb 12, 2009 |
4.5 / 5 (50) |
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(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 ...
Cracking a Tough Nut for the Semiconductor Industry
Dec 23, 2008 |
4 / 5 (7) |
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(PhysOrg.com) -- Researchers at the National Institute of Standards and Technology have developed a method to measure the toughness -- the resistance to fracture -- of the thin insulating films that play a ...
Christmas turkeys to improve their health, thanks to Manchester scientists
Biology /
Dec 19, 2008 |
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(PhysOrg.com) -- University of Manchester researchers are investigating the breathing mechanics of birds to help farmers breed fit, healthy turkeys with bigger, juicier breast meat.
New approaches make retinal detachment highly treatable
Nov 26, 2008 |
4.6 / 5 (5) |
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Retinal detachment, a condition that afflicts about 10,000 Americans each year, puts an individual at risk for vision loss or blindness. In a new study in today's issue of the New England Journal of Medicine, a leading ophtha ...
Nanoscale coating protect products -- and the economy
Nanotechnology / Nanomaterials
Oct 20, 2008 |
4.6 / 5 (17) |
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Put steel under a powerful microscope, revealing its microstructure, and prepare to be surprised. Known for its strength, the metal will appear pitted and pocked.
Under pressure at the nanoscale, polymers play by different rules
Oct 02, 2008 |
4.6 / 5 (8) |
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Scientists putting the squeeze on thin films of polystyrene have discovered that at very short length scales the polymer doesn't play by the rules.
Robotic 'vacuum' offers shipping industry a cleaner solution
Sep 17, 2008 |
4.3 / 5 (3) |
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(PhysOrg.com) -- An automated robotic cleaning system that removes marine growth from the hull of a ship is being pioneered at Newcastle University.
Job-Related Stress: NIST Demonstrates Fatigue Effects in Silicon
Nov 27, 2007 |
4 / 5 (6) |
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Researchers at the National Institute of Standards and Technology have demonstrated a mechanical fatigue process that eventually leads to cracks and breakdown in bulk silicon crystals—a phenomenon that’s particularly ...
Scientists Create First Non-Carbon Material with Near-Diamond Hardness
Nanotechnology / Nanomaterials
Mar 28, 2007 |
4.5 / 5 (76) |
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Research scientists have created the first non-carbon-based material with a hardness approaching that of diamond. Their work could have a significant impact on technologies and industries that rely on diamond as a cutting ...
Nanoengineered concrete could cut CO2 emissions
Nanotechnology / Nanomaterials
Jan 29, 2007 |
4.3 / 5 (34) |
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While government leaders argue about the practicality of reducing world emissions of carbon dioxide, scientists and engineers are seeking ways to make it happen.
Scientists turn dents into smart bumps
Aug 23, 2006 |
4.4 / 5 (51) |
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Due to a phenomenon called the shape memory effect (SME), certain "memory metals" can be distorted and then brought back to their original shape by a simple temperature change. While a one-way memory effect ...
Spinning black hole leaves dent in space-time
Jan 10, 2006 |
4.7 / 5 (34) |
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MIT scientists and colleagues have found a black hole that has chiseled a remarkably stable indentation in the fabric of space and time, like a dimple in one's favorite spot on the sofa.
