CTSS Linearity and Time-Invariance Problem
John Buck
Problem testing students' understanding of whether systems are linear and time-invariant.
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Visit to the British Museum
On my way to Bosnia, I stopped in London and finally visited the British Museum. Wow...what a place! I can't believe I never made time for this museum while I was studying with the London Law Consortium in the Spring. Too bad! Glad I finally took time to
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'Obsessive compulsive font disorder': the challenge of supporting pupils writing with the computer
Writing with the computer provokes and enables pupils to engage with aspects of multimodal design [Multiliteracies: Literacy Learning and the Design of Social Futures, Routledge, London, 2000]. At the same time the traditional stages of the writing process become much more fluid and integrated [Aust. J. Language Literacy 17(3) (1994) 183]. These consequences of technology are not recognised within the curriculum, the assessment system or current models of teaching the writing process in the
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Sea Ice Growth: Mushy layers, Convection and Brinicles
Joe Hitchen, Oxford University Physics Department, describe the different stages of sea ice growth and the formation of hollow tubes of ice in the ocean known as brinicles. Every year, millions of square kilometres of the Arctic ocean freeze over as sea ice forms but this growth is controlled by processes on the scale of millimetres and centimetres. At this scale, sea ice is not a pure solid but a mixture of ice crystals and concentrated brine known as a "mushy layer". I will describe the differ
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2.3 Movie 6 - Jupiter Hot Spot

Jupiter Hot Spot

View document157.6KB video/quicktime

In this movie c
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SP.694 Issues of Representation: Women, Representation, and Music in Selected Folk Traditions of the
This subject investigates the special relation of women to several musical folk traditions in the British Isles and North America. Throughout, we will be examining the implications of gender in the creation, transmission, and performance of music. Because virtually all societies operate to some extent on a gendered division of labor (and of expressive roles) the music of these societies is marked by the gendering of musical repertoires, traditions of instrumentation, performance settings, and st
Author(s): Tick, Judith,Perry, Ruth

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Passing the GED Math Test
Excellent video from Jimmy Chang, who has a master's degree in math and has been a math teacher at St. Pete College for more than eight years. Mr. Chang shares basic tips and strategies.  He reminds students to study multiplication tables to prepare. (1:48)
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Drones : De wetenschap vertelt
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Dit dossier van EOS wetenschap bundelt artikels over drones. Onder meer de gebruiksmogelijkheden van drones komen in dit dossier aan bod. 


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Harry Potter-POA Ch.10 The Marauder's Map part1
Reading of Harry Potter and the Prisoner of Azkaban By: J. K. Rowling. 

In this video Chapter 10: The Marauder's Map is read.

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Money talks: One Belt One Road

What now for Fiat Chrysler after Sergio Marchionne’s departure? How America and Europe are tightening rules on foreign direct investments. And China’s Belt and Road Initiative - a benevolent gift to connect the world or a highway to world dominance?  Helen Joyce hosts



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16.6 Pricing and stock control

A supermarket has a large database of information about its goods, such as the name, price, size and quantity held in stock.

If the price of a particular item changes, the relevant data in the supermarket's database can be easily updated. When the bar code for an item is scanned, the checkout computer searches the database for the item and retrieves the new price. Because the checkout computers are networked, they all use the same data on the database server, so it is not necessary to c
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Charles Taylor on Religion and Violence
Professor Emeritus of Political Science and Philosophy at McGill University, Charles Taylor, on Religion and Violence.
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21L.707 Arthurian Literature and Celtic Colonization (MIT)
The course examines the earliest emergence of stories about King Arthur and the Knights of the Round Table in the context of the first wave of British Imperialism and the expanded powers of the Catholic Church during the twelfth and thirteenth centuries. The morphology of Arthurian romance will be set off against original historical documents and chronicle sources for the English conquests in Brittany, Wales, Scotland, and Ireland to understand the ways in which these new attitudes towards Empir
Author(s): Cain, James

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Faculty in :90 / Ron Smith
A brief question-and-answer session with Ron Smith, a senior lecturer in the Department of Advertising/Public Relations, produced by the College of Communications as part of its “Faculty in :90” series.
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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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Modelling object-oriented software – an introduction
How do you model a software system? This free course, Modelling object-oriented software an introduction, will help you to work through the processes necessary to produce a conceptual model, by analysing the requirements document to identify classes and associations appropriate for modelling the system domain, together with their respective attributes and multiplicities.Author(s): Creator not set

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Confocal Microscopy Imaging of Micro-Spheres and Defects in Liquid Crystals
S. A. Jewell gives a talk at the LC2CAM 08 conference about the use of FCPM to see director distortions around imbedded objects and in-plane fields can be resolved in a sub-micron scale.
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Keep on learning

Study another free course

There are more than 800 courses on OpenLearn for you to choose from on
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Lecture 31 - 11/17/2010
Lecture 31
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