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5.4 Vibrating string: normal modes of vibration
How do different instruments produce the sounds we classify as music? How do we decide whether something – a piano, a vacuum cleaner – is actually a musical instrument? In this unit we investigate the way vibrations and sound waves are harnessed to create music.
Author(s): The Open University

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11.1 What are they?
Computer crashes are often the result of viruses, worms or Trojans as unfortunately some internet users want to cause havoc or vandalise your computer. This unit provides a guide to the downsides of living with the Net. Advice on how to deal with these dangers is provided and security issues like spyware and adware are explained. The unit also deals with protecting children online, and provides links to various helpful websites which deal with the problems raised.
Author(s): The Open University

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Slice through a Houston Storm using TRMM Data
A moving plane slices through cloud data from a storm over Houston revealing a surface of constant precipitation density colored by ground rainfall amounts. Data measured by instruments on TRMM.
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International Monetary Systems
<img src="http://mises.org/media/poster/6629" vspace="4" hspace="4" style="margin: 10px;" /><br />

Opposition wins Thai election
July 3 - Thailand's opposition, led by Yingluck Shinawatra, the sister of a former prime minister, wins the country's general election. Andrew Raven reports.
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Introduction - Stuart Sim
Introduction to Stuart Sim's post. He shares some of his experiences with open source software from the perspective of a system architect and his activities in the business of supporting and growing open source applications.
Author(s): Ken Udas

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Typhoon Etau
The MODIS instrument on board NASAs Terra spacecraft captured this birds-eye view of Typhoon Etau as it was buffeting the southern island chain of Okinawa, affecting airlines, a refinery and other industries.
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21.07.2011 – Langsam gesprochene Nachrichten
Trainieren Sie Ihr Hörverstehen mit authentischen Materialien. Nutzen Sie die Nachrichten der Deutschen Welle von Donnerstag – als Text und als verständlich gesprochene Audio-Datei. *** Bundesaußenminister Guido Westerwelle hat die Präsentation eines konkreten Zeitplans für den Abzug der Bundeswehr aus Afghanistan abgelehnt. Es sei unklug zu sagen, wo und in welchem Monat welche Truppenteile reduziert würden, sagte der FDP-Politiker zu Beginn eines Afghanistan-Besuchs in Kabul. Ein solch
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Microbiology 101
This video is a two minute overview of microbiology as a career.
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China sharpens its Africa focus
Looking at the bigger picture of Africa’s improving economic fortunes in the past decade, it is clear that China’s influence in Africa has been largely a success story.
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Crustaceans: Shrimp
Two reasons why shrimp are considered to be crustaceans is because they have two pairs of antennae and jointed legs.
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Building an Electromagnet
Student teams investigate the properties of electromagnets. They create their own small electromagnet and experiment with ways to change its strength to pick up more paper clips. Students learn about ways that engineers use electromagnets in everyday applications.
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Orion: The Journey Begins
Even as the space shuttle program comes to a close, NASA is already building its next human spacecraft, the Orion Multi-Purpose Crew Vehicle (MPCV), around the country. Orion is being designed and tested to go further than we've ever gone and do things the shuttle could never do, namely explore deep space. In "Orion: The Journey Begins" take a look at the progress and development of NASA's newest vehicle, which will be the most advanced human spacecraft ever built.
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5.4 Intellectual property rights and value

Another important theme raised in the play is intellectual property rights (IPR). Ned's fortunes seem to rely on control of the IPR issues surrounding his invention. He challenges the rights of others to share in the IP because, as he sees it, they have not contributed anything. The assumption is that those that have the idea have IPR, but the IPR has value and, therefore, any proceeds accrued should be due to the person who has the idea. A problem arises here because of the phrase ‘in
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Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

5.3 Ethics and ethos: ‘does mum know?’

In Act 1 we are presented with a fairly naïve Ned, who initially believes himself to be in control. We discover he is very proud of his intellectual achievements and less concerned with money. He explains his inventions and, when he does so, he finds analogies that highlight the aesthetics of what he is designing. At a crucial point in the conversation, his brother Dan asks: ‘does mum know?’ This is a really significant point in the play because it draws in another relationship
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4.7 The story so far

This section looked at the play Last Call. The play is very rich in ethical issues, and one of the most interesting points that are made is that, whilst there are many ‘big’ ethical questions worthy of discussion and investigation, it seems to be in the everyday, routine conversations and dealings of people that ethical questions get to be asked and answered, even if this is not clearly recognised.

A major ethical issue tackled in the play is loyalty: giving preference i
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Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

Course Outline for Advanced Certificate: Education School Management And Leadership (PDF)
This document is the course outline for the Advanced Certificate: Education (School Management And Leadership) programme. The ACE programme is aimed at empowering school leaders to lead and manage schools effectively in a time of great change, challenge and opportunity. It is targeted at serving School Management Team members who aspire to principalship. The programme seeks to provide structured learning opportunities that promote quality education in South African schools through the developmen
Author(s): Department of Education

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2.5 The story so far

I have now established an understanding of ‘ethics’ as something related with ‘good’ and ‘bad’. There are other derivative words like ‘optimal’ that might also be used, and there are parochial words which are related to particular communities. When we talk about ethics, we are liable to confront cultural differences that are reflected in differences in vocabulary. But there are other kinds of differences too. Things have different properties; for example, &
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Open Episcopal Church History Part 4 - FROM 2006 - 2009
Video discusses the more recent history of the church.
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Erythemal Index 2000: Full Globe Loop
The Erythemal Index is a measure of ultraviolet radiation (UV) at ground level on the Earth. UV exists to the left of the visible spectrum and is divided into three components (UV-A, UV-B and UV-C). UV-B (290-320 wavelengths) is the most dangerous form of UV radiation that can reach ground level. Atmospheric ozone shields life at the surface from most of the harmful components of solar radiation. Chemical processes in the atmosphere can effect the level of protection provided by the ozone in the
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