7.2 Free-free radiation The blackbody spectrum is emitted when thermally emitting matter is optically thick. Optically thin matter can also emit thermal radiation. Whenever a charged particle is accelerated it emits electromagnetic radiation. When the acceleration is due to the electric field of another charged particle the emitted radiation is called free-free emission or bremsstrahlung. (Bremsstrahlung is a German word meaning ‘braking radiation’.) The radiation emitted by an optically thin, ther
2.1 England England played a dominant role in the medieval history of Britain, and the history of the UK is undoubtedly the history of the political and cultural domination of the English nation over those of Scotland, Wales and Ireland. In the making of the UK, each component nation played a different role: the English and Scottish kingdoms, the incorporation of Wales into the English Crown, and the subjugation of Ireland. The making of the UK was complex and fraught with violent confrontations, particu
Part 1: Studying Anthropology at Oxford
Current graduate students in the School of Anthropology at Oxford University talk about what it is like to study anthropology at Oxford and the different graduate degrees available.
3.4 Observations Observations are the most direct method of getting information about people's behaviour. In everyday life we all frequently observe other people. Psychologists have devised a range of methods for systematically observing other people. These range from participant observation through to highly structured and targeted observations. In participant observation, the researcher is part of what is being observed and writes up notes whenever possible. Sometimes these notes include an insider v
2.6 Culloden visitor survey In the light of recent reinterpretation of the site, which includes more and different voices to the portrayal of the battlefield, Glasgow Caledonian University (GCU) undertook a preliminary visitor survey in April 2006 in order to begin to understand how the site figured in the construction of identity for Scots and other visitors (McLean et al., 2007). When questioned about their motives for visiting the site, many cited educational reasons; however, a large number also came as
American Experience: The Assassination of Abraham Lincoln
This video provides an extensive view and insight into the events that occurred on April 14, 1865. Just days after the Civil War ended, President Abraham Lincoln was assassinated at Ford's Theatre. As a fractured nation mourned, a manhunt closed in on his assassin, the twenty-six-year-old actor, John Wilkes Booth. This professionally-made video from PBS is part of a series titled American Experience. (1:24:13)
Learn French - La Nourriture (Food), Part 1
The instructor recites foods in French. This brief video has words spoken by a native speaker accompanied by appropriate images. It is well-produced with clear sound. Each image is also accompanied by the French caption. (This video contains mostly baked sweet goods.)
Relationship-builder finds perfect program in health care
Cherah loves working with people and solving problems. The speech-language pathology program offers her the opportunity to follow her passion within a growing field.
Keep on learning There are more than 800 courses on OpenLearn for you to c 6.061 Introduction to Electric Power Systems (MIT) English Grammar - Either & Neither 4.2 Defining useful subsets of the complex number system, and proving the Nested Rectangles Theorem You will no doubt recall that in real analysis extensive use is made of the modulus function How Blood Pressure Works 13 course summary BSE is a TSE disease of cattle that was formally recognised in 1986. It developed to epidemic proportions in the UK, reaching a peak in 1992. Although BSE is now fading away in the UK, cases have eventually turned up in many other countries. Mainly through epidemiological studies, veterinary scientists quickly established (at least to their satisfaction) that BSE was caused by the inclusion in cattle feed of ruminant-derived MBM contaminated w 7.6.2 Present information effectively Organise your data so that you can use it to illustrate and support your arguments or point of view. To do this successfully you must be clear about what you want to say, who is your intended audience, and what points you want your audience to understand. Think about the most appropriate way to present your findings, and whether particular types of charts, graphs or diagrams will bring out the relationships you want to demonstrate. Choosing graph axes carefully (for example using non-linear s Mode : Themabundel Deze bundel bevat meningen over mode en kleding, het lezen van het label in kleding, wasvoorschriften, soorten stoffen, procentberekeninig en berekening van kortingen, omzetten van vreemde valuta, wisselkoersen, werken met een valuta calculator, … The 1990s wedding photograph Now let us look at the 1990s image. This too depicts a wedding. What makes it different from that Unifying the Construction Supply Chain with Hyphen Solutions, Windows 8.1 and Office 365 Interested in seeing how line of business (LOB) apps built on Microsoft technologies are transforming commercial industries (e.g. financial services, retail/hospitality, healthcare, manufacturing, construction, etc) and public sectors (e.g. education, public safety)? Check out this multi-part LaunchPad series on Channel 9 where we showcase critical LOB apps built on Windows 8.1, O 3.3 Limitations of the rational-economic perspective As an approach to understanding economic life, the assumption of formal rationality has been very successful. For example, there is great deal of evidence that, on average, prices in financial markets behave as if investors were formally rational. However, there is also a great deal of evidence that individuals do not behave in this way (e.g. de Bondt, 1998). Even within the field of financial economics, there is increasing interest in developing theories of market behaviour which take better Terra Foundation Lectures in American Art 2019 - A Contest of Images: American Art as Culture War (2
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This course is an introductory subject in the field of electric power systems and electrical to mechanical energy conversion. Electric power has become increasingly important as a way of transmitting and transforming energy in industrial, military and transportation uses. Electric power systems are also at the heart of alternative energy systems, including wind and solar electric, geothermal and small scale hydroelectric generation.
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"I don't want to go!" "I can't do this!" How do you agree with these statements? Learn about the different ways that you can agree with these negative sentences using neither or either. A teacher explains the rules and writes examples on a white board, with emphasis placed on auxiliary verbs for correct usage. ( 9:51)
. It gives us a way of measuring the “closeness” of two numbers, which we exploit in writing expressio
If you lined up all the blood vessels in your body, they’d be 60 thousand miles long. And every day, they carry the equivalent of over two thousand gallons of blood to the body’s tissues. What effect does this pressure have on the walls of the blood vessels? Wilfred Manzano gives the facts on blood pressure. (04:31)
Dr John Blakinger speaks about the controversy surrounding Dana Shutz's painting of the body of Emmett Till exhibited at the 2017 Whitney Biennnial. Who has the right to see in an age of image overload? At the 2017 Whitney Biennial, a painting by the artist Dana Schutz depicting the body of Emmett Till, a fifteen-year-old African-American boy lynched in Mississippi in 1955, incited outrage. The artists Hannah Black and Parker Bright condemned the work as "black death spectacle." The episode resu
