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4.2 Fibre in the core network

All new trunk transmission – that is, transmission between telephone exchanges – is now over optical fibre. Mostly it uses either PDH or SDH links. Year by year the data rates have increased, so that at the time of writing STM-64 products are available commercially.

SAQ 12


Author(s): The Open University

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9.16 Cellular Neurophysiology (MIT)
This course includes: Surveying the molecular and cellular mechanisms of neuronal communication. Coversion channels in excitable membrane, synaptic transmission, and synaptic plasticity. Correlation of the properties of ion channels and synaptic transmission with their physiological function such as learning and memory. Discussion of the organizational principles for the formation of functional neural networks at synaptic and cellular levels.
Author(s): Liu, Guosong

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Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative C

Introduction

The current political agenda requires service users' views to be incorporated into the design of health and social care services (Department of Health, 2006). Services are assessed by the quality of the outcomes they provide for users. Frontline managers are responsible for gathering service user views on their needs. Whose views should be taken into account? How do managers gather views? This course helps you consider ways of getting feedback from service users, and shows the inclusive appro
Author(s): The Open University

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Khan Academy MCAT Prep - Including Psychology
Khan Academy offers a series of video tutorials highlighting key areas of the MCAT exam. New in 2015, the MCAT will include psychology. Within the video library are targeted videos on the general psychology concepts that are included in the MCAT exam.
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A Look at Microsoft's Surface Computer V.2

Microsoft Surface General Manager Panos Panay showed us a preview of the next version of Surface at CES, called the Samsung SUR40 for Microsoft Surface. This matured device runs on Embedded Windows 7 Professional 64-bit and has a new technology in the screen that allows for 2 million sensors (rather than optical cameras) alongside the pixels in the display. This means more touchpoints than you have fingers or friends, no more box under the displ
Author(s): Larry Larsen

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Learning outcomes

After studying this course, you should be able to:

  • visualise problems using pictures and diagrams

  • recognise patterns in a variety of different situations

  • use a word formula to help solve a problem

  • derive simple word formulas, for example for use in a spreadsheet

  • use doing and undoing diagrams to change formulas round.


Author(s): The Open University

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The Importance of Virtual Environments in the Design of Electronic Games and Their Relevance to Arch
Ever increasing complexity in architectural design and the need to deliver a cost effective solution requires the employment and adoption of innovative design methods. Although technological changes have entered the field of architecture at a slower pace, the recent adoption of 3D modelling, Virtual Environment and multimedia represent significant changes in architectural design, visualisation and presentation. These now include tools for conceptualisation, design synthesis, design presentation,
Author(s): Ahmad Rafi, M.E. and Karboulonis, P.

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Business plan worksheet & guide walk-through with Olivier Charbonneau, Concordia Business Librarian
http://www.concordia.ca/library/guides/management/comm320.html Researching a business plan is an important step in launching a new venture. Our resident expert on finding management or marketing information presents a worksheet and guide available from the Library Website that is aimed at students enrolled in COMM 320 Entrepreneurship students.
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3.3 Hypertext transfer protocol (HTTP)

In this section, I shall look at one example of an application of the TCP/IP protocol suite – sending hypertext pages over the world wide web (WWW or simply the web). However, first I shall very briefly summarise the main features of the web that are relevant to this discussion. There are many sources of information about the web on the web itself for those who want to know more.

In very basic terms, the web is an application of the Internet for accessing resources where
Author(s): The Open University

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5.6.4 Wedding anniversaries

Silver and golden wedding anniversaries were often commemorated with a portrait. Many examples follow the pattern of the studio portraits taken for engagements and weddings, with the couple taken individually and together.

Author(s): The Open University

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“The Heuristic Potential of the Dream Register of Tipu Sultan of Mysore (r.1782-99)”
South Asia mapA talk by Kate Brittlebank, Senior Lecturer, School of History and Classics, University of Tasmania. From the South Asia Seminar.
Author(s): The Center for International Studies at the Univer

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The science of breakfast in weight management and health
In this lecture, Dr James Betts from the Department of Health will examine the importance of eating breakfast for overall good health, and whether missing breakfast could increase a person's risk of becoming overweight or suffering from heart disease or diabetes.
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Real World: Work, Force, Energy and Motion
In this NASA video segment learn how to calculate the force, energy, motion and work of an object. Find out how these properties compare with one other. Color animation is used to demonstrate how to calculate each property using proper units of measurement. This video segment also explains the difference between potential and kinetic energy as well as how to calculate gravitational potential energy. Examples are provided throughout the segment for clarification. (08:51)
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1.3.5 Gamete production in women

It is time now to turn to the question of how female gametes – eggs – are made. There are substantial differences between sperm and eggs, and consequently their production pathways are very different.

SAQ 20

Q
Author(s): The Open University

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L'atout doctorat. Innovation et recherche dans les entreprises et la fonction publique (audio)

L’EHESS alumni organise une table ronde autour de Patrick Fridenson, directeur d'études à l’EHESS, chargé par le Ministère de l’Enseignement supérieur d’un rapport et de propositions sur l’insertion du doctorat dans les entreprises et la haute fonction publique. Elle sera animée par Philippe Frémeaux, rédacteur en chef d'Alternatives Économiques.

Un(e) diplômé(e) ...
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Learning outcomes

After studying this course, you should be able to:

  • use set notation

  • determine whether two given sets are equal and whether one given set is a subset of another

  • find the union, intersection and difference of two given sets

  • determine the image of a given function

  • determine whether a given function is one-one and/or onto.


Author(s): The Open University

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Maths as others see it
Visiting a hospital you'd expect to find doctors and nurses, but what about mathematicians? This album illustrates how mathematics is used throughout the Whittington Hospital in London, as well as in every day life. This material forms part of the course MU120 Open mathematics. The iTunes U team.
First published on Tue, 13 Apr 2010 as Author(s):
The iTunes U team

Common French Phrases for Shopping
Learn common French phrases for shopping. Stephanie Hourie Morrow is a native French speaker and has been giving language lessons for 10 years. Each sentence is pronounced in English and French while the French phrase appears on the screen. For beginning to intermediate learners. Good sound quality.
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Map of the density of bombing, London region, to October 1941 (HO193/45)

The National Archives UK posted a photo:

Map of the density of bombing, London region, to October 1941 (HO193/45)

Over the course of the Second World War, L
Author(s): nobody@flickr.com (The National Archives UK)

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