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Tensile test on work hardened copper: necking effect
Necking of work hardened copper during a tensile test at 5 times actual speed. From TLP: Introduction to mechanical testing, http://www.msm.cam.ac.uk/doitpoms/tlplib/mechanical-testing/results2.php
Author(s): DoITPoMS, University of Cambridge

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Acknowledgements

Course image: Simon Law in Flickr made available under Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence.

All materials included in this course are derived from content originated at the Open University.

Don't miss out:

If reading
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Conclusion

Earthquakes shake the ground surface, can cause buildings to collapse, disrupt transport and services, and can cause fires. They can trigger landslides and tsunami.

Earthquakes occur mainly as a result of plate tectonics, which involves blocks of the Earth moving about the Earth's surface. The blocks of rock move past each other along a fault. Smaller earthquakes, called foreshocks, may precede the main earthquake, and aftershocks may occur after the main earthquake. Earthquakes are mai
Author(s): The Open University

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Learning outcomes

After studying this course, you should be able to:

  • demonstrate an awareness of different ways in which our use of technology can affect the environment

  • demonstrate a set of skills in reading and interpreting texts and diagrams containing some technical descriptions.


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1.3.4 Bringing remote sweatshops within reach continued

Another claim made by the movement is that we are all in some way connected to a market system which effectively allows sweatshops to exist in the first place. This is about more than targeting the big brand names and linking them directly to exploitation abroad; rather, it is about piecing together the global market machinery that ties the corporate buyer, the boardroom executive, the factory owner and the consumer into a system which establishes particular lines of responsibility (Ha
Author(s): The Open University

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3.2.2 The protection of intellectual property: the costs of TRIPS

Apart from the internal redistribution of income resulting from greater exposure to the world economy, the effects of one of the UR agreements in particular have achieved a certain notoriety because the agreement clearly imposes huge costs on farmers and consumers in developing countries, to the benefit of corporations in developed countries. This is the agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS), which strengthens international rules governing patents, tradema
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2.7.5 Identities are negotiated

In constructing their identities, people can only draw on terms that are available in society at that time, which have meanings and associations attached. However, people may attribute different meanings and importance to those labels. This means people always negotiate their identities, in the context of the different meanings attached to them.

Taking this view of identity, as a social process that people engage in, rather than as a fixed essence inside them, is not to deny that partic
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2.2 Memory

You should now be beginning to build up a picture of what a computer is: you know it needs input and output devices to communicate with the world outside and a processor to carry out the instructions that are programmed into it. But where are these instructions stored within the computer? The answer is that they are stored within what is called the computer's main memory, along with any data needed to carry them out.

However, the main memory in computers like PCs is much too smal
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Ep.1, PBS Napoleon (To Destiny) Part 5
This excellent PBS series, filled with historical re-enactments and narrated by David McCullough, starts with Napoleon receiving the crown of France. This documentary is suitable for high school students.
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2.3 Multiplying powers

Powers of ten can be used to investigate what happens when two powers of the same number are multiplied together. For example, consider multiplying 10 by 100:

A billion is a thousand million. In terms of powers this is:

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9 A stand-alone computer

The computer you are using for your studies is called a personal computer or PC. Although you have an internet connection for use in this course, your computer can probably also be used as a stand-alone computer. Your PC may be a desktop computer or a notebook computer (sometimes known as a laptop computer). Usually a desktop computer comes with separate devices such as a monitor, a keyboard, a mouse and speakers and it runs on mains electricity. Notebook computers
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The 'Disenchantment' of Early Modern Europe: Seminar 01: Introduction
The 'Disenchantment' of Early Modern Europe: Seminar 01: Introduction
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8.1 Continuum spectra

Activity 4: General properties of quasars and power-law emission

0 hours 30 minutes

10.1 Introduction

For a variety of reasons, not least the very wide dynamic range of human hearing, the decibel (symbol dB) is often used as a unit for the amplitude of sound waves. The decibel is also used in other contexts, such as specifying the amplification of amplifiers or the degree to which a signal is affected by noise. In the context of sound, the use of the decibel as a unit captures something of the subjective impression of the way loudness changes with amplitude.

The decibel unit has
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8 Further resources

There is a wide range of material available on welfare to work. Peck (2001) is undoubtedly the definitive study in terms of policy development in the UK and the USA.

Major sources of data on all UK New Deal programmes are on the Department for Work and Pensions, DWPwebsite. (Accessed 25 March 2008)

Another source is the more analytical Working Brief series which
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LR - Be Organized
"Discover the most efficient method for downloading images into Lightroom and organizing them. Quickly import and manage your photo collection in a library that makes organizing, finding and editing your photos easy. "
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TALAT Lecture 1253: Creep
This lecture constitutes an introduction to creep and to the creep response of aluminium and its alloys. It provides basic information on creep and its mechanisms; it gives a description of the more extensively used mathematical relations among creep variables (time, stress and temperature); it illustrates the creep response of pure Aluminium and of Al-Mg alloys; it provides a synthesis of the information available in the literature on the creep behaviour of a number of new alloys and composites
Author(s): TALAT,S Spigarelli, University of Ancona

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There are more than 800 courses on OpenLearn for you to choose from on a range of subjects. 

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Does the Advance of Science Mean Secularisation? - Discussion
Prof. David Martin : Discussion
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The History of the United Nations
A quick run through of the birth of the UN and some of the major events in its history. The narrator speaks quickly making it a little hard to follow.
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