Virtual Maths, Shapes, Space and Measure, Tan Table
Calculate the height of a building, Tan Table
Author(s): Leeds Metropolitan University

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3.1 Introduction

Active galaxies have occupied the attention of an increasing number of astronomers since the first example was identified in the 1940s. By one recent estimate, a fifth of all research astronomers are working on active galaxies, which indicates how important this field is. In this section you will learn about the observational characteristics of the four main classes of active galaxies: Seyfert galaxies, quasars, radio galaxies and blazars. This will set the scene for subsequent sections in wh
Author(s): The Open University

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Wetting on flexible substrates: a finite element formulation
Wetting is an important phenomenon in industrial applications such as coating industry as it could affect the coating uniformity and production rate. In modeling dynamic wetting on rigid solids, one of the challenges is to relieve the singularity in the viscous stress arising at the dynamic contact line due to double valued velocity. The singularity arising at the contact line is a mathematical singularity and not a physical singularity and hence, needs to be relieved. There are several models t
Author(s): Madasu, Srinath

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Introduction to Aeronautical Engineering
This course provides an overview of and introduction to the fundamentals of aeronautics, using the history of aviation as a story line. The course uses examples from the very beginning of aviation (the Montgolfier brothers' balloon flight in 1783 and the Wright brothers' heavier-than-air flight in 1903) and continues all the way through to the current Airbus A380 and future aircraft. This trajectory will start with a general introduction to aeronautics, to be followed by a closer look at aerody
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Our Planet is a Clock
A short animation presenting the rotating earth as a huge clock spinning in space. All efforts to measure and record time, start with our rotating planet. Learning about sundials is a good topic for any science curriculum. This video is one of a series explaining sundials.
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Synthesis and characterization of the properties of Ti3SiC2/SiC and Ti3SiC2/TiC composites
In 1996, the ternary compound titanium silicon carbide (Ti3SiC2) was for the first timesynthesized as a single-phase, fully dense compound. Its characterization revealed aunique combination of properties. For its high fracture toughness, low hardness toelastic modulus ratio and excellent damage tolerance, it was dubbed a soft ceramic. Italso displayed good thermal shock and oxidation resistance. In this work, thereinforcement of this material with silicon carbide and titanium carbide particles w
Author(s): Ho-Duc, Linh H.

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4 Renewable energy sources

Fossil and nuclear fuels are often described as non-renewable because supplies are finite and will eventually run out. Renewable fuels are those energy sources that will not run out in the future.

Most renewable energy sources originate from the sun (solar energy), while tidal energy originates from the gravitational pull of the moon, and geothermal energy results from heat trapped below the surface of our planet.

Solar energy can be used directl
Author(s): The Open University

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Activity answers

Study Note: As outlined in the text I have not provided answers to all Activities. This is for two reasons:

  1. For some activities only you can devise the answer and any I gave would be distracting or unhelpful.

  2. For others in-text answers are given.


Author(s): The Open University

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Cuba Invaded! Castro Foes Open Offensive 1961/4/19
B-26 used by Cuban pilots; landed in Florida; in Cuba, rocket shells shown; Adlai Stevenson in UN denies any aggression; Guatemala training base; Castro in Cuba (partial newsreel)
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4.1 Reading data from tables

Tables are used as a way of describing what you are talking about in a structured format. They tend to be used to present figures, either as a summary or as a starting point for discussion. Tables are also probably the most common way of presenting data in educational courses.

Tables have always been compiled by someone. In doing so, the compiler may have selected data and they will have chosen a particular format, either of which may influence the reader. You need to be aware of the co
Author(s): The Open University

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Why FIFA Should Be Learning From Brazil
FIFA’s anxiety over Brazil’s progress on World Cup preparations is a perfect example of developed countries’ expectations that need to be adjusted to deal with emerging markets.
Author(s): Felipe Monteiro, INSEAD Assistant Professor of Str

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Hannah Greatwood - 60 seconds research
Hannah Greatwood, Senior Lecturer in Sport and Exercise Nutrition at Leeds Metropolitan University has only 60 seconds to describe her research interests.
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Methods to Process and Identify Symbiotic Fungi in the Roots of Vascular Plants
Techniques for obtaining VAM samples from natural sources and from inoculated samples and methods of processing, staining and clearing root samples, and identification of fungal structures are described in this exercise.
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Iraq affirms control over Baiji oil refinery
The Iraqi government says the army has thwarted an attack on the country's largest oil refinery at Baiji, as militants consolidate their grip on Sunni provinces. Vanessa Johnston reports. 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,
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Managing my money
This free course, Managing my money, allows you to gain the skills to manage your personal finances: managing budgets, debts, investments, property purchase, pensions and insurance. First published on Wed, 12 Oct 2016 as Managing my money. To find out more visit The Open Uni
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Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2

1. Introducing diversity and difference

This unit focuses on issues of difference and diversity in a specific sense. Rather than analysing diversity in terms of kinds of communication and relationships, the focus here shifts to diversity in terms the people involved in interactions in care settings. Again, it is simple common sense to state that ‘good’ communication in health and social care services involves acknowledging and responding to the diverse needs and backgrounds of everyone involved, whether service us
Author(s): The Open University

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Virtual Maths, Shapes, Space and Measure, DIY Clinometer template
Make your own clinometer - template and instructions
Author(s): Leeds Metropolitan University

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"Bare Necessities"-The Jungle Book
This is an excerpt from the Disney movie "The Jungle Book". Baloo sings to Mowgli about the bare necessities of life. 
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Deadly triple bombing in Thailand
June 24 - A triple bombing by suspected insurgents kills at least two people and wounds nine others in Thailand's deep south. Deborah Lutterbeck reports.
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Mutiplication and Division of Signed Numbers
This one minute video briefly explains how to do these types of operations. There isn't any board work presented.
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