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:

Author(s): The Open University

Quantum field theory
This is a module framework. It can be viewed online or downloaded as a zip file. Last taught in Spring Semester 2006 A compilation of fourteen lectures in PDF format on the subject of quantum field theory. This module is suitable for 3rd or 4th year undergraduate and postgraduate level learners. Suitable for year 3/4 undergraduate and postgraduate study. Dr Kirill Krasnov, School of Mathematical Sciences Dr Kirill Krasnov is a Lecturer at the University of Nottingham. After studying physic
Author(s): Krasnov K. Dr

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
Author(s): The Open University

In the audio session, two methods of constructing a price index for bread were described. They were called the â€˜previous yearâ€™ method and the â€˜base yearâ€™ method. In both cases, the value of the index in the base year is 100. So, for the base year method,

Author(s): The Open University

As we noted earlier, both the rational-economic and psychological perspectives on decision making tend to ignore the social context in which we live and work. We turn now to consider this social context.

Author(s): The Open University

The investigators wanted to know about the fatigue properties of the component, to find a feasible explanation of why it took 39 years for the eye bar to break. They needed information on the several stress corrosion mechanisms that were possible in the material, including hydrogen embrittlement, the effects of sulphur compounds such as H2S (hydrogen sulphide) and the effects of moisture and salt. Notched eye-bar material was loaded to failure in various environments.

In fact
Author(s): The Open University

Exploring Philosophy
Have you ever considered what being conscious actually means? By choosing to live in a particular state are you consenting to be subject to all its laws? For some thereâ€™s an assumption that philosophy might not be relevant to modern life but Dr. Nigel Warburton, senior lecturer in Philosophy at The Open University argues that many of us today are faced with philosophical questions such as these as we live our lives in the twenty first century. In this collection we ask academics to discuss the
Author(s): The iTunes U team

Creativity and Collaboration in Architecture Education in the UAE
A review of national government literature indicates that today?s knowledge-driven economy demands a workforce equipped with complex skills and attitudes. Examples of these skills and attitudes are general problems solving, meta-cognitive skills, critical thinking and lifelong learning. Reviews of the Architecture, Engineering and Construction industry indicates a gap between architecture practice and education. The Egan report states that there is a need for a change of style, culture and p
Author(s): Al-Ali, Amal and P. Sharma

To make short crust pastry, one recipe book says â€˜use one part of fat to two parts of flourâ€™; another recipe says â€˜use fat and flour in the ratio of one to twoâ€™; and yet another says â€˜use half as much fat as flourâ€™. These are different ways of expressing the same ratio. Ratios are often expressed as fractions. So in this case:

Author(s): The Open University

The auditory system is able to process sounds in such a way that, although several may be present simultaneously, it is possible to focus upon the message of interest. However, in experiments on auditory attention, there have been contradictory results concerning the fate of the unattended material:

• The auditory system processes mixed sounds in such a way that it is possible to focus upon a single wanted message.

• Unattended material a
Author(s): The Open University

Numbers and diagrams are highly abstract and condensed summaries of the world. They require a degree of mental effort to bridge the gap between them and the aspects of the â€˜realâ€™ world they stand for. Approach them slowly and with care, allowing yourself time to get the feel of what you are looking at. Don't assume you already know what you are looking at.

Author(s): The Open University

The separating out of a special day or time in the week runs in parallel with the marking out of a space that is set aside for worship, ritual and communal activity (material dimension). The place where a religious community gathers speaks powerfully about the convictions shared by its members.

This is nowhere more evident than in the Author(s): The Open University

Economic Update: Economic Change, Economic Disorder
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Author(s): maria

In Section 3 and in Section 4 so far, we have begun with the questions of how and why humans found their way to oceanic islan
Author(s): The Open University

How formal or informal, how personal or impersonal, how loose or how tight, how casual or demanding the religious community is will depend on the form of religion, the extent to which it is enforced and the level of the individual's commitment to it. It is worth remembering that just as people have certain expectations of religion, religions tend to have certain expectations of adherents. The sociologists Rodney Stark and Charles Glock (1968) have argued that although religious organizations
Author(s): The Open University

The focus of Section 3 was on LANs that use some kind of physical medium (for example, copper wires or fibre-optic cables) to connect together network nodes. In this section we'll be examining wireless networks â€“ that is, networks that transmit data through the air (or space) using radio waves.

There's nothing new about wireless: the principles of transmitting information using radio waves were discovered over a century ago. However, using radio waves to provide the transmission links
Author(s): The Open University

Sustainable Scotland
Sustainable Scotland is a free course that will appeal to anyone with an interest in a sustainable future in the context of contemporary Scottish society. It will give you a broad-based introduction to a number of different aspects of sustainability that impact on Scotland and the wider world. First published on Wed, 30 Mar 2016 as
Author(s): Creator not set

Project drift is a common problem when one project leads into another without a clear break, or when extra tasks, which were not identified at the beginning, are added to a project. If possible, significant changes of the latter kind should be treated separately as a follow-on project: otherwise they may not be properly resourced and this can have adverse consequences for motivation of the project team.

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Author(s): The Open University

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