2.6.1 Stress corrosion cracking in stainless-steel structures

On 9 May 1985 the roof of a swimming pool at Uster near Zurich collapsed, killing 12 and injuring several others.

The concrete roof had been held up by a set of stainless-steel tie bars, which were found after the accident to have cracked transversely (Figure 21). Chlorine is added at qui
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1.3 Inadequate intake

In the developed world inadequate intake of food, at least in terms of energy, is not common. Nevertheless, in many parts of the world starvation is a huge issue, and it is estimated that tens of millions of people face starvation, and well over 5 million, mainly children, die each year from inadequate nutrient intake. Importantly, lack of particular nutrients impairs our ability to carry out many functions.

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A Year in Focus - Assessing Gordon Brown Part 1
  Steven Fielding

In this podcast Doctor Steven Fielding takes a look back at Gordon Brown's first half-term in office.

In this, the first of three episodes, Doctor Fielding rates the Prime Minister on his performance in International Relations.

Doctor Fielding works in the University's School of Politics and International Relations. He is an expert in
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Talks @ Pulitzer: Bangladesh Factory Workers - Rights and Reforms
A year after the Rana Plaza factory collapse in Bangladesh, garment factories are being inspected. But even the well-lit ones with workers paid above minimum wage still have problems, including a lack of emergency exits. This is the kind of violation that should shut down a factory until fixed, except that in Bangladesh today, inspectors have no enforcement authority: they merely make recommendations. Pulitzer Center grantees Jason Motlagh and Ken Weiss are joined by Sajeda Amin, senior associa
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Back to the Forest

In this video Laura Meredith, a graduate student in MIT's Program in Atmospheres, Oceans and Climate, shares her thesis work which has involved building and deploying an instrument to the Harvard Forest Long Term Ecological Research site in central Massachusetts. The instrument measures hydrogen gradients that can, along with a suite of other measurements, be used to calculate hydrogen fluxes. These will be used to determine the strength and seasonality of the soil sink at Harvard Forest. Lau
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White House monitoring arrest of German accused of spying for US
White House Press Secretary Josh Earnest says the administration is aware of the arrest of a German citizen purportedly working with U.S. intelligence. Rough Cut (no reporter narration). Subscribe: http://smarturl.it/reuterssubscribe More updates and breaking news: http://smarturl.it/BreakingNews Reuters tells the world's stories like no one else. As the largest international multimedia news provider, Reuters provides coverage around the globe and across topics including business, financial, n
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Lewis and Clark Animated Movie
In this animated video, students will learn about the travels of Lewis and Clark. The narrator tells of their expedition as they discover animals, rivers. Good illustrations of maps, forts, rivers, etc. are shown. Lewis and Clark had discovered important information about the new United States territory and the people who lived in it, as well as its rivers and mountains, plants and animals. This is a good teaching resource for a lesson/unit on United States History. Content is appropri
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17.524 Nationalism (MIT)
This course provides a broad overview of the theories of and approaches to the study of nationalist thought and practice. It also explores the related phenomena termed nationalism: national consciousness and identity, nations, nation-states, and nationalist ideologies and nationalist movements. The course analyzes nationalism's emergence and endurance as a factor in modern politics and society. Topics include: nationalism and state-building, nationalism and economic modernization, nationalism an
Author(s): Nobles, Melissa

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Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative C

Ulysses S. Gran: Overcoming Failures
Ulysses S. Grant overcomes a lifetime of failures to lead the Union Army to victory in the Civil War. This short video shows how his strategy helped win the war with his relentless methods. Quotes from Lincoln and photos help add depth to this biography.

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3.7.3 Oxidation sharpening

The all-important radius of curvature of the tip can be made smaller – both in the silicon nitride and pure silicon tips – by the trick of oxidation sharpening. Figure 15 shows the principle. The original tip is first heated to around 1000 °C in an oxidising atmosphere, such that the outermost micrometre
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Gerald Tuskan at the 2014 DOE JGI Genomics of Energy & Environment Meeting
By: JGI Gerald Tuskan, Oak Ridge National Laboratory, at the 9th Annual Genomics of Energy & Environment Meeting on March 20, 2014 in Walnut Creek, Calif.
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On Responsibility and Justice [Audio]
Speaker(s): Emily McTernan | Questions of responsibility play a central role within contemporary political debate. This lecture will revise the currently impoverished conception of responsibility within theories of justice. Emily McTernan is a fellow in the Department of Philosophy, Logic and Scientific Method at LSE.
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Role of Trade and Investment in Driving Sustainable and Inclusive Growth [Audio]
Speaker(s): Shri Suresh Prabhu, Y K Sinha | Editor's note: We regret to inform you that owing to a technical problem the last few minutes of the lecture are missing from the podcast Shri Suresh Prabhu, Minister for Commerce and Industry, Government of India will in this lecture discuss the importance of trade and investment in driving sustainable growth and inclusion. He will also reflect on the future of India-UK collaborations in a changing world. Prior to his current role Dr Prabhu (@sureshpp
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ISS Update: Flight Surgeon Keeps Astronauts Healthy
NASA Public Affairs Officer Amiko Kauderer talks with NASA Medical Flight Officer Steve Gilmore about the role of a flight surgeon in tracking astronaut health and coordinating crew medical experiments before, during and after spaceflight. Flight surgeons are involved in all phases of a human spaceflight mission, including walking the crew members through the process of becoming medically cleared for flight, coordinating the medical experiments the astronauts perform aboard the station, mainta
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Researching Bacteria's Virulence in Space
NASA is partnering with Universities and other businesses in scientific research aboard the International Space Station. A scientist from Arizona State University's Biodesign Institute has partnered with NASA to investigate the effect of spaceflight on the genetic responses and disease-causing potential of microbial pathogens. Explore this research in this NASA episode of Spark 101.
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Secret History of the Freemasons (Part 3 of 9)
Discovery Channel video. Secret History of the Freemasons (2007) Part 3.
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1.253J Transportation Policy and Environmental Limits (MIT)
Through a combination of lectures, cases, and class discussions this subject examines the economic and political conflict between transportation and the environment. It investigates the role of government regulation, green business and transportation policy as facilitators of economic development and environmental sustainability. It analyzes a variety of international policy problems including government-business relations; the role of interest groups, non-governmental organizations, and the pub
Author(s): Salvucci, Frederick,Coughlin, Joseph

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Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative C

China Lecture Series: "Elections and Chinese Understanding of Democracy"
Associate Professor of Political Science at Duke University, Tianjian Shi specializes in comparative politics with an emphasis on political culture and political participation in Chinese politics. He is the author of Political Participation in Beijing (Harvard University Press, 1997).
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Polio pt2
Poliomyelitis, also known as infantile paralysis, is a viral infection of the intestinal tract that sometimes can attack the central nervous system and lead to severe muscular paralysis. After the 1916 outbreak, the United States averaged 21,000 paralytic cases per year. During the 1930-40s, both private and government research was accelerated to try to find a cure for this dreaded disease. The National Foundation of Infantile Paralysis, now the March of Dimes, was inaugurated by Franklin D. Roo
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UA Celebrates the Year of the Horse with Festival
To ring in the Chinese new year and celebrate the year of the horse, the Confucius Center at the University of Arizona co-hosted a festival at Centennial Hall. Performances at the Chinese New Year Festival included traditional and contemporary dance, martial arts displays, children's choirs and music by the Purple Bamboo Ensemble, the performing group of the UA Asian Music Club.
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