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This page shows you the most recent publications within this specialty of the MedWorm directory. This is page number 9.

Performance evaluation of Type II and Type IIa box beam end terminals. Part IV - Stolle CJ, Zhu L, Lechtenberg KA, Bielenberg RW, Faller RK, Reid JD, Sicking DL, Rohde JR.
This paper, part IV of a multi-part series, reports on a study to evaluate the safety performance of the New York State Department of Transportation box beam Type II and Type IIA guide rail end terminals. A literature review on previous crash testing of re...
Source: SafetyLit: All (Unduplicated) - December 30, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Performance evaluation of Type II and Type IIa box beam end terminals. Part III - Stolle CJ, Zhu L, Lechtenberg KA, Bielenberg RW, Faller RK, Reid JD, Sicking DL, Rohde JR.
This paper, part 3 of a multi-part series, reports on a study to evaluate the safety performance of the New York State Department of Transportation box beam Type II and Type IIA guide rail end terminals. A literature review on previous crash testing of rel...
Source: SafetyLit: All (Unduplicated) - December 30, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Evaluation of two treatments for reducing crashes related to traffic signal change intervals - Persaud B, Gross F, Srinivasan R.
Two related evaluation studies that were conducted under NCHRP Project 17-35 are presented. The research objective was to use the most appropriate analytical methods and the best available data to build on previous research in developing crash modification...
Source: SafetyLit: All (Unduplicated) - December 30, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Evaluation of ASTM standard test method E2177: retroreflectivity of pavement markings in condition of wetness - Pike AM, Schwenn B.
The purpose of this project was to determine the sensitivity of standard test method ASTM E2177 to various factors. The standard test method is a way to determine an accurate representation of the retroreflective performance of a pavement marking in a reco...
Source: SafetyLit: All (Unduplicated) - December 30, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Effect of inclement weather on two capacity flows at recurring freeway bottlenecks - Dehman A.
Inclement weather conditions are well known to reduce the capacity of freeway sections. Recent trends distinguish between definitions of two capacity regimes: free-flow capacity, defined by the prebreakdown flow (PBDF), and congested-flow capacity, defined...
Source: SafetyLit: All (Unduplicated) - December 30, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Development of left-turn lane warrants for unsignalized intersections - Fitzpatrick K, Brewer MA, Eisele WL, Zhang Y, Gluck JS, Levinson HS, Iragavarapu V.
Left-turn movements at intersections, including driveways--especially movements that are made from lanes that are shared with through traffic--cause delays and adversely affect safety. Although some left-turn warrants have been updated, many agencies still...
Source: SafetyLit: All (Unduplicated) - December 30, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Describing non-lane-based motorcycle movements in motorcycle-only traffic flow - Nguyen LX, Hanaoka S, Kawasaki T.
The motorcycle is the main transport mode for commuters in Vietnam because it costs less than a car and has greater mobility on congested city roads. A better understanding of the characteristics of motorcycle traffic flow can be helpful in formulating pro...
Source: SafetyLit: All (Unduplicated) - December 30, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Consideration of sight distance in placement of concrete barriers on horizontal curves of roads - Sarhan M, Hassan Y.
Sight distance is an important criterion in highway geometric design. Many design elements, such as horizontal and vertical curvatures and offsets to lateral obstructions, must be checked so that drivers have sufficient sight distance to operate safely. On...
Source: SafetyLit: All (Unduplicated) - December 30, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Calibration and validation of Highway Capacity Manual 2010 capacity model for single-lane roundabouts - Wei T, Grenard JL.
The 2010 edition of the Highway Capacity Manual (HCM 2010) provides new capacity models for single-lane and multilane roundabouts, which generally predict lower capacity than other popular models previously used in the United States. Acknowledging that bot...
Source: SafetyLit: All (Unduplicated) - December 30, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Is Science Compatible with Free Will?
Exploring Free Will and Consciousness in the Light of Quantum Physics and NeuroscienceThere is a perceived conflict within the scientific community between the conviction that a human being has free will on one hand, and deterministic physics and neuroscience on the other. When faced with this conflict, two alternative positions are possible: either human freedom is an illusion, or deterministic science is not the last word on the brain and will eventually be superseded by a ...
Source: Springer Psychology titles - December 29, 2012 Category: Psychiatry & Psychology Tags: Cognitive Psychology Source Type: news

Why don't more girls study physics?
Despite efforts to get more women into science labs almost half of Britain's co-ed schools have no female students taking A-level physics. Are sexist attitudes still to blame – or is it a fear of being thought uncool? One London school is showing how it is possible to buck the trendAlice Williams is 16, and her eyes are gleaming. As she speaks, her face grows pink with excitement and her hands wave around expressively. You might expect her to be talking about the latest Twilight film or a teenage boy band. But no: Alice is talking about heat resistance. More specifically, a heat-resistance experiment in her A-level physi...
Source: Guardian Unlimited Science - December 29, 2012 Category: Science Authors: Elizabeth Day Tags: A-levels Society Women Physics Equality Features Life and style Gender Education The Observer The gender gap Science Source Type: news

Road safety performance indicators for the interurban road network - Yannis G, Weijermars W, Gitelman V, Vis M, Chaziris A, Papadimitriou E, Azevedo CL.
Various road safety performance indicators (SPIs) have been proposed for different road safety research areas, mainly as regards driver behaviour (e.g. seat belt use, alcohol, drugs, etc.) and vehicles (e.g. passive safety); however, no SPIs for the road n...
Source: SafetyLit: All (Unduplicated) - December 28, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Review of flaws and damages in space launch vehicle: Structures - Lee JR, Dhital D.
A space launch vehicle is a complex engineering structure. It consists of several structural and system components that are stably stored for extended periods and that at the launch moment, must function precisely. However, this presents a number of unique...
Source: SafetyLit: All (Unduplicated) - December 28, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

More fatal all-terrain vehicle crashes occur on the roadway than off: increased risk-taking characterises roadway fatalities - Denning GM, Harland KK, Ellis DG, Jennissen CA.
BACKGROUND: All-terrain vehicles (ATVs) have steadily increased in popularity, size and speed, characteristics that likely contribute to the alarming rise in ATV-related fatalities. One potentially high-risk activity is riding on the road. OBJECTIVES: To c...
Source: SafetyLit: All (Unduplicated) - December 28, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Holding back the sea: an overview of shore zone planning and management - Mitsova D, Esnard AM.
"Holding back the sea" is a predicament that is complicated by coastal development trends, eroding shore zones, and changing environmental conditions such as sea level rise. Planners are important players in shaping adaptive responses and identifying and p...
Source: SafetyLit: All (Unduplicated) - December 28, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Bicyclist-bicyclist crashes-a medical and technical crash analysis - Brand S, Otte D, Petri M, Müller C, Stübig T, Krettek C, Haasper C.
Background: The purpose of this study was to analyze the actual injury situation of bicyclists focusing on accidents involving more than one bicyclist. A medical and technical analysis was performed as a basis for preventive measures. Methods: Technical an...
Source: SafetyLit: All (Unduplicated) - December 28, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

All-terrain vehicles (ATVs) on the road: a serious traffic safety and public health concern - Denning G, Jennissen C, Harland K, Ellis D, Buresh C.
Objectives: On-road all-terrain vehicle (ATV) crashes are frequent occurrences that disproportionately impact rural communities. These crashes occur despite most states having laws restricting on-road ATV use. A number of overall risk factors for ATV-relat...
Source: SafetyLit: All (Unduplicated) - December 28, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Peter Higgs awarded Companion of Honour in New Year honours list
Higgs boson theorist honoured for service of conspicuous national importance, and 31 headteachers recognised in listThe scientist who gave his name to the Higgs boson, Prof Peter Higgs, receives one of the highest accolades in the New Year honours list, that of Companion of Honour, awarded for service of conspicuous national importance.The 83-year-old emeritus professor of theoretical physics at Edinburgh University first hit on the concept of a particle that gives matter mass during a walk in the Cairngorms 40 years ago.In July this year, using the world's biggest atom-smashing machine, the Large Hadron Collider, at the E...
Source: Guardian Unlimited Science - December 28, 2012 Category: Science Authors: Caroline Davies Tags: The Guardian New Year honours list News Peter Higgs University of Edinburgh Physics UK news Education Science Source Type: news

New Year honours: arise Dame Sarah Storey and Sir Bradley Wiggins
Olympians and Paralympians lead the gong show in a highly patriotic list expanded to take in a successful summer of sportCyclists Bradley Wiggins and Sarah Storey, sailor Ben Ainslie and a host of Olympic and Paralympic athletes have received awards in a highly patriotic New Year honours list, specially expanded to reflect Britain's sporting success at London 2012.Wiggins, who claimed his fourth Olympic gold days after becoming the first British winner of the Tour de France, receives a knighthood, as does Ainslie, a gold medallist at four consecutive Games. Storey becomes Dame Sarah in recognition of her Paralympic career,...
Source: Guardian Unlimited Science - December 28, 2012 Category: Science Authors: Esther Addley, Caroline Davies Tags: The Guardian Ben Ainslie Olympic Games 2012 Cycling New Year honours list 2012 Sport Quentin Blake News Bradley Wiggins Peter Higgs Books Sarah Storey UK news Sailing Swimming Science Source Type: news

Don't expect graphene to perform miracles | Philip Ball
Graphene is remarkable, but history shows us that few miracle materials have lived up to the hypeUntil the 19th century we had to rely almost entirely on nature for the fabrics from which we built our world. Not until the 1850s was steelmaking a science, and the advent of the first synthetic polymers – celluloid and vulcanised rubber – around the same time, followed later by Bakelite, ushered in the era of synthetic materials. As the 1951 Ealing comedy The Man in the White Suit showed, there were mixed feelings about this mastery of manmade materials. The ads might promise strength and durability, but the economy ...
Source: Guardian Unlimited Science - December 28, 2012 Category: Science Authors: Philip Ball Tags: Comment The Guardian Science Comment is free Source Type: news

Physicists creates 'recipe book' for building new materials
By showing that tiny particles injected into a liquid crystal medium adhere to existing mathematical theorems, physicists have opened the door for the creation of a host of new materials with properties that do not exist in nature.
Source: ScienceDaily Headlines - December 28, 2012 Category: Science Source Type: news

December Big Bang Theory episodes
In our continuing effort to bring out the science in all things related to The Big Bang Theory, we've got two more episodes from season 6 of the series up with reviews and scientific breakdowns. This season has had some of the most hilarious episodes of the series and these two definitely fall in that category....Read Full Post
Source: About.com Physics - December 28, 2012 Category: Physics Source Type: news

The Eggsperiment: friction, forces and gravity
The punk scientists at Science Museum demonstrate how forces and gravity work using three eggs, glasses, tubes and a placemat
Source: Guardian Unlimited Science - December 28, 2012 Category: Science Tags: guardian.co.uk Physics Editorial Science Source Type: news

Top Physics Stories of 2012
It's been a big year for physics, most notably with the possible discovery of the Higgs boson at the Large Hadron Collider. But if you think that's the only thing physicists have been working on, you'd be wrong! Check out our 2012 Year in Review to find some of the other scientific curiosities that may have slipped through the cracks, such as the possible discovery of Majorana fermions. What the heck are Majorana fermions, you ask? Well, you'll have to read the article to find out!...Read Full Post
Source: About.com Physics - December 28, 2012 Category: Physics Source Type: news

2012 Physics Books
As we wind down 2012, I'm taking some much-needed vacation time to catch up on end of year book-keeping ... literally, in this case, as I have a massive pile of books that has accumulated over the year and is in desperate need of reading. Two of the volumes that I've been incredibly anxious to get to are Energy for Future Presidents by Richard A. Muller and Space Chronicles by Neil deGrasse Tyson....Read Full Post
Source: About.com Physics - December 28, 2012 Category: Physics Source Type: news

On This Day in Science History - December 28 - Johannes Rydberg
December 28th marks the passing of Johannes Rydberg. Rydberg was a Swedish physicist who discovered an empirical mathematical formula to predict the wavelengths of light emitted by hydrogen atoms. He ...Read Full Post
Source: About.com Chemistry - December 27, 2012 Category: Chemistry Source Type: news

Liquid crystal research may lead to creation of new materials that can be actively controlled
Contributing geometric and topological analyses of micro-materials, mathematicians aided experimental physicists by successfully explaining the observed "beautiful and complex patterns revealed" in three-dimensional liquid crystal experiments. The work is expected to lead to creation of new materials that can be actively controlled.
Source: ScienceDaily Headlines - December 27, 2012 Category: Science Source Type: news

'Super-material' graphene gets government backing
George Osborne allocates £22m towards commercialising material that has unmatched electronic and physical propertiesGeorge Osborne will announce details on Thursday of an almost £22m investment in commercialising graphene – a material scientists say could have applications ranging from telecommunications to electronics to energy technology.Graphene was isolated by two scientists at the University of Manchester, Konstantin Novoselov and Andre Geim, who won the Nobel prize in physics for their work in 2010.The so-called "super-material" is an atom-thick sheet of carbon molecules, arranged in a honeycomb lattice. It has u...
Source: Guardian Unlimited Science - December 26, 2012 Category: Science Authors: Alok Jha Tags: The Guardian George Osborne Science policy News Technology Research and development Physics Politics UK news Source Type: news

Measurements hint why the universe is dominated by matter, not anti-matter
Physicists have made a precise measurement of elusive, nearly massless particles, and obtained a crucial hint as to why the universe is dominated by matter, not by its close relative, anti-matter.
Source: ScienceDaily Headlines - December 26, 2012 Category: Science Source Type: news

Vulnerability of reinforced-concrete-frame buildings and their occupants in the 2009 L'Aquila, Italy, earthquake - Liel AB, Lynch KP.
Reinforced-concrete-frame buildings, particularly midrise multifamily condominium structures, experienced significant damage in the 2009 L'Aquila, Italy earthquake. The most frequently observed damage was cracking and failure of nonstructural masonry infil...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Side impacts into poles: the effect of rotation on stiffness coefficients - Rich A, Cofone J.
Although side impact tests conducted under the mandates of Federal Motor Vehicle Safety Standard 214 (FMVSS 214) can be used to calculate side stiffness coefficients for vehicles that have been involved in impacts with wooden utility poles, analyses of the...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Seismic risk mitigation decisions at ports: multiple challenges, multiple perspectives - Gregory R, Harstone M, Rix GJ, Bostrom A.
This paper examines opportunities for seismic risk mitigation decisions at U.S. maritime ports, with special reference to the role of stakeholders and the quality of the decision making processes used to inform seismic risk initiatives. The authors first p...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Safety ranking of the Lithuanian road network of national significance - Jasiuniene V, Čygas D, Ratkeviciute K, Peltola H.
The Directive 2008/96/EC of the European Parliament and of the Council of 19 November 2008 on Road Infrastructure Safety Management requires that the Member States shall establish and implement the network safety ranking. Safety performance of existing roa...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Safety evaluations of level crossing. Tarva LC - Seise A, Peltola H, Leden L, Virkkunen M.
Since 1999, a systematic inventory has been carried out of conditions and traffic volumes at Finnish level crossings between state-owned railways and roads. We compiled accident data from these level crossings and studied the effects of various variables o...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Roads with a wide center marking in winter conditions - Malmivuo M.
The purpose of this study was to examine the functionality of a wide center marking in winter conditions. The study especially sought to find out if the wider center area would gather more snow, slush or ice than the center area of roads with a traditional...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Research of collision speed dependency of pedestrian head and chest injuries using human FE Model (THUMS Version 4) - Watanabe R, Miyazaki H, Kitagawa Y, Yasuki T.
This article uses the human finite element model THUMS Version 4 to investigate the collision speed dependency of pedestrian head and chest injuries. The researchers also considered the relationship between impact speed and fatality risk. The biofidelity o...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Policy instruments for managing EU road safety targets: road safety impact assessment - Laurinavicius A, Grigonis V, Ušpalytė-Vitkūnienė R, Ratkeviciute K, Cygaite L, Skrodenis E, Antov D, Smirnovs J, Bobrovaite-Jurkone B.
The Directive 2008/96/EC of European Parliament and of the Council requires the establishment and implementation of procedures relating to road safety impact assessments, road safety audits, the management of road network safety and safety inspections by t...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Operational fault states in railways - Schöbel A, Maly T.
In railway systems, there are many different fault states which can occur during operation. For safety reasons, these well known fault states have to be prevented by train monitoring. But fault states may also have dependencies among each other, which are ...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Modeling two-vehicle crash severity by a bivariate generalized ordered probit approach - Chiou YC, Hwang CC, Chang CC, Fu C.
This study simultaneously models crash severity of both parties in two-vehicle accidents at signalized intersections in Taipei City, Taiwan, using a novel bivariate generalized ordered probit (BGOP) model. Estimation results show that the BGOP model perfor...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Integrated traffic accident investigation techniques as a tool within a risk management plan for public agencies - Wheat AG.
This article discusses how public agencies should consider incorporating documentation techniques, usually associated with post-crash activities into their risk management and safety programs. By adopting a proactive approach to risk management, the agency...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Headway analysis at signalised intersections - with and without countdown timer - Harshitha MS, Agarwal S, Vanajakshi L.
Discharge time headway, defined as time elapsed between constructive vehicles as they get discharged from a queue, is an important parameter in the analysis of signalized intersections. Reported studies in this area so far observed the discharge headway to...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Evaluating the performance of network screening methods for detecting high collision concentration locations on highways - Kwon OH, Park MJ, Yeo H, Chung K.
This paper documents findings from evaluating performances of three different methods for segmenting freeway sites for the purpose of identifying high collision concentration locations: Sliding Moving Window (SMW), Peak Searching (PS) and Continuous Risk P...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Environmental security in the region with heavy exposure to sources of man-made earthquakes -
It is set that in separate regions substantial value at the study of terms of forming of ecological danger it is necessary to spare to research of vibrations of earth surface under effect of technogenic activity of man. Influence of technogenic earthquakes...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Effect of plan configuration on seismic performance of single-story wood-frame dwellings - Lucksiri K, Miller TH, Gupta R, Pei S, van de Lindt JW.
A numerical investigation is presented on effects of plan configuration on seismic responses of single-story, wood-frame dwellings. 151 models were developed using observations of 412 dwellings of rectangular, L, T, U, and Z-shapes in Oregon. A nonlinear, ...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Characteristics of injuries in motorcycle-to-barrier collisions in Maryland - Daniello A, Gabler HC.
Motorcycle-to-barrier collisions are more serious than many other motorcycle crash modes, such as collisions with only the ground or passenger cars. To identify the potential need for design improvements to traffic barriers to reduce the severity of these ...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Cargo tank rollover force verification -
In order to improve the crashworthiness of cargo tank motor vehicles that carry hazardous materials, this study investigates the effects of a rollover crash on the rollover protection devices on the tops of these vehicles. Full-scale experiments were condu...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Calibration of Highway Safety Manual safety performance function: development of new models for rural two-lane two-way highways - Brimley BK, Saito M, Schultz GG.
This paper documents the calibration of the "Highway Safety Manual" (HSM) safety performance function (SPF) for rural two-lane two-way roadway segments in Utah and the development of new SPFs through negative binomial regression. Crash data from 2005 to 20...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Building technologies for the mitigation of volcanic risk: Vesuvius and Campi flegrei - Zuccaro G, Leone MF.
This paper intends to show basic strategies and technical solutions that may reduce volcanic risk on buildings and infrastructures. It points out that reduction--mitigation--of vulnerability and expected damage to existing and new buildings are possible. E...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Bilevel optimization approach to design of network of bike lanes - Mesbah M, Thompson R, Moridpour S.
A bike lane is an effective way to improve cycling safety and to decrease greenhouse gas emissions with the promotion of cycling. Improvements include high-quality off-road facilities and on-road bike lanes. Whereas construction of off-road lanes is not al...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news

Audit of lightning protection systems in traffic operations and ITS applications - Cook B.
This article shows how the intelligent transportation system (ITS) and operations industry has slowly progressed from considering lightning damage as an act of God to understanding that it can be prevented. The article describes how the time has come to ge...
Source: SafetyLit: All (Unduplicated) - December 26, 2012 Category: Global & Universal Tags: Engineering, Physics, Structural Soundness and Failure Source Type: news