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Road Bumps: Why dirt roads develop a washboard surface

08-18-2007 · Science News Online

Experiments and a computer simulation show why dirt roads develop a washboard surface, and indicate the only way to prevent it: Drive

Keywords: road, bumps, dirt, roads, develop, washboard, surface, bump

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Purdue researchers develop technology to detect cancer by scanning surface veins
09-04-2007 · EurekAlert!
Researchers have developed technology to detect tumor cells within the human body. By shining a laser on surface veins, such as those on the wrist and inside the cheek, researchers are able to reveal and count circulating tumor cells. The new detection method is able to evaluate a much larger volume of blood than what can be drawn from a patient for analysis, said Philip Low, Purdue's Ralph C. Corley Distinguished Professor of Chemistry.
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Air-sea surface science
05-01-2007 · EurekAlert!
Aided by new observations from the Coupled Boundary Layer Air-Sea Transfer (CBLAST) -- Hurricane field program, scientists at the Rosenstiel School of Marine and Atmospheric Science have helped to develop and test a new, high-resolution computer model to better understand how air-sea interactions directly affect hurricane intensity, a factor not yet possible in the current operational forecast models.
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Toll road privatization may result in indirect impacts
01-14-2008 · EurekAlert!
Privatizing toll roads in the US may result in significant diversions of truck traffic from privatized toll roads to "free" roads, and may result in more crashes and increased costs associated with use of other roads, according to a new study.
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'Smart' traffic boxes could help monitor roads, save money
07-02-2007 · EurekAlert!
Ohio State University engineers are working to make the traffic control boxes that stand beside major freeways smarter. They've developed new software that helps the computerized boxes locate road incidents -- such as traffic back-ups or accidents -- and notify transportation authorities at lower cost, especially in rural areas.
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Seat belt intervention shows many lives can be saved on China's roads
04-22-2007 · EurekAlert!
A novel road safety intervention in Guangzhou, China, has shown the potential for significantly increasing the use of seat belts among drivers and front seat passengers in motor vehicles. "The China Seat Belt Intervention" has demonstrated how simple, cost-effective strategies can save lives in highly populous regions.
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Gene Key To Taste Bud Development Identified
10-02-2006 · ScienceDaily
Scientists have identified a gene that controls the development of taste buds. The gene, SOX2, stimulates stem cells on the surface of the embryonic tongue and in the back of the mouth to transform into taste buds, according to the researchers. Stem cells are immature cells that can develop into several different cell types depending on what biochemical instructions they receive.
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Physicists pin down spin of surface atoms
09-12-2007 · EurekAlert!
UC-Berkeley physicists have successfully measured the atomic spin of an isolated atom, one of the necessary steps on the road to quantum computers and spintronics devices. Using a scanning tunneling microscope with a spin-polarized tip, Michael Crommie and colleagues mapped the surface topography and the surface energy levels to determine the spin of adatoms, the first time this has been measured directly.
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MIT model helps researchers 'see' brain development
04-09-2007 · EurekAlert!
Large mammals -- humans, monkeys and even cats -- have brains with a somewhat mysterious feature: the outermost layer has a folded surface. Understanding the functional significance of these folds is one of the big open questions in neuroscience. Now a team led by MIT, Massachusetts General Hospital and Harvard Medical School researchers has developed a tool that could aid such studies by helping researchers "see" how those folds develop and decay in the cerebral cortex.
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AGU Journal Highlights -- July 12, 2007
07-12-2007 · EurekAlert!
Articles featured in the upcoming issue of Geophysical Research Letters include "Tropical cyclones may develop over Mediterranean Sea"; "Transatlantic data reveal changing temperature and salinity"; "Forecasting tsunami hazards from tide gauges near an earthquake"; "Moonshine reflects lunar surface composition"; "Volcanic pools ooze from within ocean floor"; and "Masses of methane escape from Italy."
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Deadly mine 'bump' was recorded as seismic event
08-17-2007 · EurekAlert!
The University of Utah Seismograph Stations recorded a magnitude-1.6 seismic event at the time of a Thursday, Aug. 16 "bump" that killed and injured rescuers at a Utah coal mine where six miners were trapped by an Aug. 6 collapse.
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