2.3.8 Sphere

Surfaces can be constructed in a similar way from plane figures other than polygons. For example, starting with a disc, we can fold the left-hand half over onto the right-hand half, and identify the edges labelled a, as shown in Figure 36; this is rather like zipping up a purse, or ‘crimping’ a Cornish pasti
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Virtual Maths, Brick Density, Water Displacement method video
Video demonstrating how to measure the density of a brick using the water displacement method.
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Virtual Maths, Brick Density - Water Displacement method
Presentation explaining how to calculate the density of a brick using water displacement method.
Author(s): Leeds Metropolitan University

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2.2 We are part of nature

Take a few minutes to look around at your surroundings before you read on. What do you see? Obviously this depends on where you are at the moment: at home, at work, or perhaps travelling in between, or maybe you have the misfortune to be laid up in hospital. Possibly like me you are at home. I am fortunate to have a study where I do much of my writing and you won't be surprised to hear that I'm looking at a computer screen at the moment. What else can I see? Books and bookshelves, furniture o
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Human Emotion 16.1: Physical Health I (Sleep)
Human Emotion; Professor June Gruber, Yale University 00:00 Chapter 1. Introduction to Lecture 01:45 Chapter 2. Sleep 101 09.30 Chapter 3. What Good is Sleep? 18:50 Chapter 4. Take-Away Questions 19:18 Chapter 5. Expert Interview This course is part of a broader educational mission to share the study of human emotion beyond the boundaries of the classroom in order to reach students and teachers alike, both locally and globally, through the use of technology. This mission is generously suppor
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2.6 Mind mapping

The term mind mapping was devised by Tony Buzan for the representation of such things as ideas, notes and information, in radial tree diagrams — sometimes also called spider diagrams. These are now very widely used — try a web search on ‘Buzan’, ‘mind map’ or ‘concept map’.

Author(s): The Open University

Iraqis in Jordan
Interviews with a number of Iraqi refugees now living in Jordan from a range of backgrounds and current situations. This podcast was recorded in Amman, Jordan in December 2007 with additional interviews recorded in February 2008. The Amman recordings include interviews with a number of Iraqis now living in Jordan from a range of backgrounds and current situations. The podcast includes comments from Rana Sweis UNHCR, Amman and Dana Graber Ladek International Organisation for Migration (IMO), Iraq
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A public address by Shinzo Abe, Prime Minister of Japan | Institute of Politics
Japanese Prime Minister, Shinzo Abe, addressed the John F. Kennedy Jr. Forum on a range of policy issues affecting his country and Asian community. Prime Minister Abe discussed Japan's history on the world stage, gender equality, and upcoming economic reforms. The Forum was moderated by Dean David Ellwood.
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Exploring the boundaries of international law
This free course, Exploring the boundaries of international law, is designed to provide you with an introduction to key concepts underpinning your study of international law. It introduces the concept of international legal personality, explores the status of the state, the principle of sovereignty and summarises the principles of jurisdiction. First pub
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1.1 Factors influencing a relocation decision

In this section you consider why companies decide to relocate and the factors that attract them to a new location. You study two companies looking for a new site and practise structures to express needs and requirements.

Relocation involves ‘push factors’ and ‘pull factors’. Push factors are things that make a company want to move from a location. Pull factors attract a company to a new location. In Author(s): The Open University

Virtual Maths - 2D Shapes, elipse
Interactive simulation demonstrating formula and calculation of area of an elipse
Author(s): Leeds Metropolitan University

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6.3 The psychology of risk

Within the psychological paradigm there is a different starting point for understanding risk. In financial economic accounts, risk is generally regarded as a combination of the expected magnitude of loss or gain and the variability of that expected outcome. Human perception of risk works rather differently. There are two other important components of risk that influence our perceptions: the fear factor – how much we dread the potential outcome – and the control factor
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7.2.4 Using questions

Questions can be used as a means both of persuasion and of control. Repeatedly telling an individual something that they are unwilling to accept is unlikely to get them to change their mind. It is better instead to ask carefully constructed questions that will lead him or her to realise the strength of your case and the weakness of their own. Asking questions gives the questioner more control over the conversation, forcing the other side to respond. Writing down a list of appropriate question
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6.2.2 Representing visual and symbolic texts

We saw that when you discuss your judgements of a visual text such as the landscape painting or The Madonna and Child, you talk about its ‘composition’: the way the ‘picture space’ is organised; the relationships between ‘foreground’ and ‘background’, and between ‘figures’. You discuss the way ‘perspective’ is used in the painting to show ‘depth’; the painting's tonal range’, and its uses of ‘colour’, ‘shape’, ‘line’; ‘light’ and ‘shade
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Ute Daniel: Goebbels, War and Propaganda. The Media Logic of the "Third Reich"
Gerda Henkel Visiting Professorship Lecture. The notorious speech of the German Minister for Propaganda, Joseph Goebbels, February 1943 in the Sportpalast has been studied by historians a good many times. In this lecture it is analyzed in a slightly different way: as an example which illustrates problems Goebbels had with the media logic of the "Third Reich".
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4.4.1 Tidal Energy

The energy that causes the slow but regular rise and fall of the tides around our coastlines is not the same as that which creates waves. It is caused principally by the gravitational pull of the moon on the world's oceans. The sun also plays a minor role, not through its radiant energy but in the form of its gravitational pull, which exerts a small additional effect on tidal rhythms.

The principal technology for harnessing tidal energy essentially involves building a low dam, or barrag
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ILP Best Wishes 2013/2014
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Episode 9: Interview with Samantha Kalman | Level Up

Level Up is a show devoted to game development. Each show will recap current news and events in gaming, deep dive with a game industry insider, and cover tips for programming or finding resources to help you with game construction. We would love to hear from you with feedback or suggestions for what you would like to see on the show, or just tell us about the projects you are working on. Write us at LevelUp@microsoft.com

In this episode, Soumow
Author(s): Greg Duncan, Soumow

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4.6 The Classification Theorem

In this subsection we state the Classification Theorem for surfaces, which classifies a surface in terms of its boundary number β, its orientability number ω and its Euler characteristic χ, each of which is a topological invariant – it is preserved under homeomorphisms.

Let us remind ourselves of these three numbers.

  • A surface may or may not have a boundary, and, if it does, then the boundary has finitely many disjoint pieces. The nu
    Author(s): The Open University

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7.2 Understanding the limits of rationality

An important first step in making more effective decisions is to understand the limits of human rationality. Because of these limits we have developed formal processes for reasoning: statistics; probability theory; modelling methods; and so on. We have also developed technologies such as computers to support us in processing information. These are certainly useful, but it is always important to remember they are used by humans and can be easily subverted. For example:

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