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Iceland: ridge, plume and basalt
Why is Iceland the fastest growing island in the North Atlantic? Why is Iceland on dry land? Dr Dave McGarvie takes us on a geographically complex field trip to discover Iceland's new land. McGarvie explains how different types of basalts eruptions help build the crust of Iceland. This material forms part of The Open University course S339, Understanding the continents.Author(s): The iTunes U team

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Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2

Introduction

This unit explores school geography, focusing upon how geography is currently being taught and understood. While studying this unit you will read about the significance of geography as a subject, considering what are the defining concepts for school geography and its educational value. The unit also includes a lesson plan and a look at definitions of geography as a medium of education.


Author(s): The Open University

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Copyright © 2013 The Open University

01B - Introduction à la culture numérique (CN16-17) (suite) (audio)

Cours commun de culture numérique 2016-2017 - Hervé Le Crosnier

Cours commun M1-DNR2i, Licence Professionnelle ATP, M1-EMT, M1-ESPE, M2-MDS, M2-Green

Cours 1
16 septembre
- Introduction : qu’entend-on par culture numérique

Cours 2
23 septembre
- Histoire technique et sociale de l'informatique et de l'internet

Cours 3
30 septembre - Le ...
Author(s): No creator set

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12.007 Geobiology (MIT)
This course introduces the parallel evolution of life and the environment. Life processes are influenced by chemical and physical processes in the atmosphere, hydrosphere, cryosphere and the solid earth. In turn, life can influence chemical and physical processes on our planet. This course explores the concept of life as a geological agent and examines the interaction between biology and the earth system during the roughly 4 billion years since life first appeared.
Author(s): Summons, Roger,Bosak, Tanja

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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

[title of show] at George Street Playhouse | 11/15/10
[Title of Show] is about two guys writing a show – Hunter Bell and Jeff Bowen – who really did write and star (as themselves) in the show, which ended up on Broadway with 3 Obies! It’s a show about four friends taking risks, creating art, killing Vampires (the dream-destroying kind, not the Dracula kind) — and how relationships change when life happens. Now, [Title of Show] is at the George Street Playhouse from 11/16-12/12/2010. Susan Wallner talks to director Matt Lenz and to actor Tyl
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Investigating bacterial communication
Can bacteria communicate with each other, and if they do communicate, how and why do they do so? And how might understanding the mechanisms of bacterial communication be used to inform development of anti-bacterial drugs? In this album scientists involved in pioneering work into bacterial 'quorum sensing'' at Nottingham University in the UK reveal some of the techniques they use and give insight into what they hope to achieve. This material forms part of The Open University course S204 Biology:
Author(s): The iTunes U team

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Classic Steam from the 1920s to the 1940s
The late Frank W. Schlegel spent considerable time collecting films of steam action in the eastern part of the U.S. His collection is now owned by Harold Brandon. Also included is a portion of film from the collection of Vince Ryan and Jack Alexander, two railfan pioneers.

This is a clip from the Green Frog website and it offers the viewer real steam footage as it was in the 20's through the 40's. You'll see Camelbacks on the Central Railroad of New Jersey, New York C

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Sinking of the Lusitania
In this clip from the Discovery Channel’s special "Sinking of the Lusitania," learn the world wide reaction to the sinking of the British ship. (02:17)
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Rupinder Brar on Relativity, Einstein, and How to Stay Young
Rupinder Brar lectures on the topic of Einstein's special relativity theory and it's explanation of time dilation and simultaneity. The lecture is entitled Relativity, Einstein, the Speed of Light and How to Stay Young.
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3.3 Dams

To economize on constructional materials and costs, it is desirable to build a dam at a narrow part of a valley so that the dam can be kept as short as possible. The quantity of constructional materials needed to build dams, and their cost, can be enormous. The Aswan High Dam, built during the 1960s, cost £400 million for a 1.2 km dam. Though shorter than the Aswan High Dam, the longest dam in Britain, the Kielder Dam in Northumberland (Author(s): The Open University

2.7 Multiple-cause diagrams

As a general rule, an event or outcome will have more than one cause. A multiple-cause diagram will enable you to show the causes and the ways in which they are connected. Suppose, for example, that you were asked to explain why a work group was under-performing. You could use a multiple-cause diagram both to help you to construct the explanation and to present it.

2.3 Multiplying powers

Powers of ten can be used to investigate what happens when two powers of the same number are multiplied together. For example, consider multiplying 10 by 100:

A billion is a thousand million. In terms of powers this is:

Author(s): The Open University

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Valley Forge, 1777 (The American Revolution)
When the Continental Army made camp at Valley Forge during the American Revolution, times were tough. The winter was bitter cold, and there was disease and hunger. (01:30)

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1.6.3 Supporting users and user processes

Use of a database involves user processes (either application programs or database tools) which must be developed outside of the database development. In terms of the three-schema architecture we now need to address the development of the external schema. This will define the data accessible to each user process or group of user processes. In reality, most DBMSs, and SQL itself, do not have many facilities to support the explicit definition of the external schema. However, by using built-in q
Author(s): The Open University

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#253: Sedimental journey: Probing climate's buried past to predict our future

Paleoclimatologist Prof Jonathan Overpeck describes how research into uncovering the earth’s climate history generates important insights about our climate future. Presented by Dr Shane Huntington.