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{Suresh 826 } Nice sentences
{Suresh 826 } Nice sentences मैं एक ऐसी चीज़ ढूँढ (search) रहा था जिसका अस्तित्व ( existence) कभी नहीं था | (Main ek aisee cheez dhoondh raha tha jiskaa astitv […]

4.1.1 Space problems

Probably the best known of these is the fact that the internet is running out of space for identifying computers. Each computer in a network needs to be identified by a unique data pattern known as an IP address. The current technology used to transport data around the internet is such that in the comparatively near future we shall run out of space to hold these unique addresses. Happily this is a problem that has been identified and groups of researchers around the globe have developed new t
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2012 ESCR Institute: Human Rights and the Social Determinants of Health
In early November 2012, leading scholars, health practitioners, and advocates gathered for a discussion of what a human rights analysis has to offer to the dialogue about health outcomes in this country, and globally.
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Introduction

This unit is on Christopher Marlowe's famous play Doctor Faustus. It considers the play in relation to Marlowe's own reputation as a rule-breaker and outsider and asks whether the play criticises or seeks to arouse audience sympathy for its protagonist, who sells his soul to the devil in exchange for 24 years of power and pleasure. Is this pioneering drama a medieval morality play or a tragedy?

This unit is an adapted extract from the Open University courseAuthor(s): The Open University

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3.2 What does a processor look like?

So what do these devices that are manufactured in such vast quantities look like? Processors are manufactured as integrated circuits. Essentially they are circuits, around the size of a fingernail, which contain many millions of electronic components manufactured as one very complex circuit. Figure 4(a) shows how a processor manufactured as an integrated circuit is packaged so it can be used as a component in an electronic circuit. The pins of the package are connected to the integrated circu
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America: The Story of Us, Episode 1 - 'Rebels'
From Jamestown to Plymouth, early settlers fight for survival. Tobacco sows the seeds of opportunity; the north becomes a powerhouse of trade. Tension, taxation and resistance explode into war as the rebels take on the might of the British Empire. Washington's army is near defeat, but new weapons and battle tactics turn the tide. Forged through revolution, a new nation is born. (45:57)

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1.2 The growth of the legal system

The legal system plays a significant and growing role in society as our lives become governed by an increasing number of laws. As our society has become more sophisticated, a greater number of laws have been required. This in turn has resulted in our legal system becoming increasingly more complex. Changes in technology, the way in which we live and the types of relationships we have are all reflected by the law. Society expects the law to reflect its ideas, values and culture, so the law has
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Keep on learning

Study another free course

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

Find out mo
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Rewable and Nonrenewable Energy and Energy Resources
This is another in the series of Blinding you with Science videos produced to assist elementary students with science concepts. In this episode Dr. Loopy and his friends look at renewable and non-renewable energy resources. Run time 30:00.
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Translation as a career
This free course explores translation as a career. During the course you will meet professional translators discussing their work and reflect on what they say. You will assess your own language level and find out how translators maintain their language skills. You will also engage in a short translation activity. First published on Thu, 17 Aug 2017 as Author(s): Creator not set

Optional reading

If you are interested in considering the role of the internet on science communication practices, you may find the following references are of interest: Wulf (1999), Rzepa (1999) and Rowland (1999a).

So far, you have been asked to reflect on your experiences of science communication both as a receiver and as a producer. You have also considered a definition for communication in terms of different types of media, noting how this influences the context for science communication (e.g. ‘f
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Good Presentations: Stance
For good presentations, a stance that features good posture and a still lower-body serves the speaker. Use correct stance for good presentations with tips from a teacher, presenter and facilitator. (02:25)
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2.2.1 Soil pH

pH (a measure of acidity or alkalinity) is an important environmental factor, particularly in soils. Soil is derived partly from accumulated decaying vegetation and partly from broken up fragments of the underlying rocks. Soil pH is determined by both these components and also by the water that fills the spaces between solid soil particles.

How might you expect the pH of soil overlying limestone (or chalk, which is a particular form of limestone) to compare with that of soil overlying s
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2.1 Why study ecology?

These days, bird watching is a popular leisure activity and in the past so were collecting insects, wild flowers and birds’ eggs (although such activities are not now recommended – indeed, they are often illegal – because of the potential damage they cause to flora and fauna). Some amateurs are or were truly experts in their fields. In fact, much of the original identification of the British flora and fauna was done by amateur naturalists. Many a Victorian vicar or other self-taught nat
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1.9 Changing sea-level

Sedimentary rocks reveal how environmental conditions in Britain's geological past were extremely different from those of the present day (in fact ‘Britain’, like the rest of the Earth's geography is transitory when viewed in terms of the very long span of geological time). As well as evidence from sedimentary rocks, recent landforms also indicate that in the more recent geological past (within the Quaternary Period), sea-level was not the same as it is at present.

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1.8.1 Moving around the rock cycle

One way of illustrating the possible ways of moving material around the rock cycle is to draw a diagram that places the processes into their geological contexts. Since the rock cycle involves processes occurring on the Earth's surface and also within its interior, we use a cross-section through the Earth's crust and uppermost mantle to do this, as shown in Figure 19. In this diagram we have concentrated on the most common processes within the rock cycle.


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1.3.2 Texture of igneous rocks

What texture might we expect an igneous rock to have? An igneous rock will contain crystals that grew as the magma cooled. Each crystal will have started to grow unhindered by neighbouring crystals, so an igneous rock therefore has a crystalline texture in which the crystals are randomly oriented.

To picture this, consider magma at an initial temperature of perhaps 1000 °C, as it slowly cools underground (see Figure 3, path (a) to (d)). Initially the magma is completely molten (Figure
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1.2.2 Rocks

Any naturally formed solid assemblage of mineral grains can be described as a rock. The mineral grains may be fragments of crystals or intact crystals and their size can range from a few micrometres (1 micrometre = 10−6m) to a few centimetres. A rock may consist of one type of mineral but more usually it consists of several minerals. Rocks can be classified according to the way in which the grains are arranged, although the identity of the minerals present (for example, the rock
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1.2.1 Minerals

A mineral is a solid material, formed by natural processes and with a chemical composition that falls within certain narrow limits. Its constituent atoms are arranged in a regular three-dimensional array or pattern and because of this, minerals form crystals with characteristic shapes.

Although several thousand different kinds of mineral have been discovered, only a few are very common; for example, the mineral quartz, which forms many of the sand grains on a beach or in a desert. Becau
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3.1.5 (E) Historical development of scientific knowledge

Pupils should be taught some of the historical background to the development of scientific knowledge.


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