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Solving Radical Equations 
This video provides a great demonstration of solving a radical equation. (2:15)
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10.3 The decibel as a measure of sound amplitude

As I mentioned earlier, because a decibel is a way of expressing a ratio, it cannot by itself express the absolute size of anything. To express absolute values it must be referred to a fixed reference quantity, against which whatever is being measured can be compared. In the context of acoustics the reference used is the lower limit of audibility – the threshold of audibility. This varies from person to person, but has a nominal value that can be expressed as a pressure wave with an
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4.5.1 Gigabit Ethernet

Gigabit Ethernet specifies four categories:

  • 1000BASE-SX, for transmission over multimode fibre using an LED in the 800 nm window (the wavelength is specified to be between 770 and 860 nm). The specification is for up to 275 m on 62.5/125 mm multimode fibre, or 550 m on 50/125 mm multimode fibre;

  • 1000BASE-LX, for transmission over multimode or single-mode fibre using a laser in the 1300 nm window (specified to be between 1270 and 1355
    Author(s): The Open University

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Introduction

In this unit you will analyse the role of European institutions including the European Commission and the European Court of Justice in legal rule making in England and Wales. You will also be introduced to the study skills that you will need in reading legal cases, reading and understanding Acts of Parliament, using the internet to find legal materials, taking notes, creating study diagrams and summarising ideas.

This study unit is an adapted extract relevant to The Open University cour
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Guido Hülsmann: Inside the Mind of Mises
Jeff Deist and Guido Hülsmann discuss Hülsmann's years spent writing Mises's biography ('Mises: The Last Knight of Liberalism'), the serendipitous discovery of Mises's papers in Moscow that made the book possible, how Mises endured and kept working as Europe burned, and how Mises's personal sacrifices helped pave the way for Austrian academics working today.

Jeremy Bamburger: SILICON and the CITY
Architecture Final Reviews were presented by students in the Architecture Program at California College of the Arts. Filmed at CCA's San Francisco campus April 27--29, 2012, 9 a.m.--7 p.m. The corporate campus has defined itself as a type characterized by horizontality, flexibility, isolation, and homogeneous program outside the realm of urban constraints. The type has evolved into more complex programming, one that nears comparison to urban form. This thesis explores the reconciliation between
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6.3 Materials selection

Good design fulfils the product specification under the required service conditions as well as contributing to the cost effectiveness of its manufacture and maintenance. The product specification itself must be an interpretation of the market needs. Hence good design means giving product appeal at the point of sale. Selecting the polymer is just one stage in this design exercise, both in terms of information on various properties of materials, as well as the detailed evaluation and selection
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8.5 Monitoring progress

This stage is about keeping track of your progress. Are you tackling your problem-solving activities effectively? How do you know? Could you have done things differently, made use of different tools (such as software packages) or facilities, taken more advantage of tutorials, training sessions or local expertise, or recognised that such support would have helped you?

Monitoring your own performance and progress needs practice; try to stand back and look at what you are doing as if you w
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References

Association of Essex Councils Steering Group (1999) Essex Biodiversity Action Plan, London, HMSO.
Baring-Gould, S. (1983) Mehalah, Woodbridge, The Boydell Press (first published 1880).
Blackmore, R. and Barratt, R. (2003) ‘Dynamic atmosphere: changing climate and air quality’ in Morris, R.M. et al. (eds).

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Keep on learning

Study another free course

There are more than 800 courses on OpenLearn for you to
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Burundi protesters clash with police in third day of violence
Protesters clash with police in Burundi’s capital, in the third day of sometimes violent demonstrations against the president’s decision to run for a third term. Mana Rabiee 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, n
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4.2.5 Emotions

Emotions can be easily misunderstood when you can't see faces or body language. People may not realise you are joking; irony and satire are easily missed. Smileys or emoticons such as :-) and :-( can be used to express your feelings (look at these sideways). Other possibilities are punctuation (?! #@*!), or , , or even using mock HTML tags such as smileys are stupid.

Remember that many discussion systems only support plain text so you can't rel
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8.2 Preparing

Both activities in this phase - analysing the task and making a plan - are critically important when it comes to preparing for an exam. Start by gathering together everything you have been sent that relates to the exam or end-of-course assessment for your current course. Also collect any advice you have had in the past about exam preparation. But the really important thing at this stage is to try and obtain a specimen exam paper or any detailed instructions relating to your end-of-course asse
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Emergency Preparedness: Tornados
This video talks about our response to tornados as individuals and
families. It has some great tips from an insurance perspective on how
you can help make it easier to get your life back together after any
natural disaster or weather emergency. Run time 5:05

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The week ahead: A war of words, for now

Are America - and the world - on the brink of war with North Korea? Our defence editor, Matthew Symonds, explains why Donald Trump's fiery rhetoric raises the risk of a catastrophic escalation. Also, a woman has a stillbirth in El Salvador and is charged with homicide. How did a miscarriage lead to a murder charge? And why rich Chinese are going glamping. Helen Joyce hosts. 


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Glasses-free D display using new multilayer LCD and tensor processing

Camera Culture, MIT Media Lab


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Season 2 – Lesson 07 – Coffee Break Spanish
Coming up in this lesson:

In lesson 7 it’s time to take a look at radical changing verbs, verbs which have some regular spelling changes in certain parts of the verb. Once you get used to these patterns you’ll be conjugating verbs like querer, pensar, poder and volver without a problem!

Please note that lesson 07 of Season 2 was originally known as lesson 207 of Coffee Break Spanish. We have renumbered the lessons of each season as lessons 1-40 to make t
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4.8 WiFi – a summary

Activity 18: self-assessment

To test your understanding of what you have read so far about WiFi, say whether each of the statements below is true or false.

  1. In ad hoc mode, WiFi stat
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1 LETS: A community development

You will shortly be listening to a sequence of audio clips, which focus on the use of LETS as a community development tool. Should LETS come ‘from above’ or ‘from the grassroots’?

Principles of self-help and co-operation work well in neighbourhoods and communities where there are resources and supportive networks. However, even in strongly cohesive communities, some people may find it difficult to join in, for reasons of disability, age or marginal status. In communities that ar
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Finding Fulfillment in a Success-Driven World
A new book explains why personal fulfillment, rather than the relentless pursuit of success, leads to happiness in the workplace.
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