Bi 10, Sn 90 (wt%)
Low concentration of bismuth - there are two components - higher bismuth (light coloured because bismuth has a larger atomic mass than tin) and low bismuth (grey).
Author(s): DoITPoMS, University of Cambridge,Matt Charles, De

License information
Related content

http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

Eliminating Nuclear Weapons
The Rt Hon Sir Malcolm Rifkind MP on how, in the 21st century, nuclear weapons pose a greater danger than ever before and their possession is less necessary. The time has come to forge agreement on a process of multilateral disarmament. Achieving an end-state of "zero" has emerged as an important policy goal for a number of 21st Century challenges. The most prominent example is the "Global Zero" campaign to eliminate nuclear weapons. Yet, in a century of globalization, when the life of every ind
Author(s): Malcolm Rifkind

License information
Related content

http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

Watching evolution in action
Watching evolution in action: Using ancient DNA to study climate change, meteorites, and mass extinctions.
Author(s): No creator set

License information
Related content

The Holocaust
This unit explores the Holocaust, as the destruction of European Jewry is commonly known. The mass killing represented by the Holocaust raises many questions concerning the development of European civilisation during the twentieth century. This unit, therefore, covers essential ground if you wish to understand this development.
Author(s): The Open University

License information
Related content

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

From Relief to Reconstruction — Practical and Policy Challenges
As the United Nations and worldwide NGOs face the challenges of providing basic services to the survivors of the January 2010 Haitian earthquake, Oxfam’s Raymond Offenheiser scrutinizes what will ultimately be “crucial to the outcome, in the Haitian context, of a successful recovery and rehabilitation by the Haitian people a
Author(s): No creator set

License information
Related content

Christine Kessler Leap
Description not set
Author(s): No creator set

License information
Related content

An introduction to Geoscience
Using Isotope geochemistry to understand the origins of planets and the present day natural behaviour of the Earth. Isotope geochemistry - utilising mass spectrometry to measure small natural variations in atomic abundance.
Author(s): Alex Halliday

License information
Related content

Rights not set

WWI - From Causes to US intervention
This slide presentation shows the main events in WWI, from causes to the moment the USA joined the war. There is reference to Main causes, US involvement, sinking of the Lusitania, Zimmerman Letter, submarine warfare, weapons of the war, etc.  (Slides and text only. No narration.)

Author(s): No creator set

License information
Related content

Virtual Maths, Cuboid - Excavation Video
Video of excavation in progress, (for use with excavation quizzes 1 and 2) or your own purposes
Author(s): Leeds Metropolitan University

License information
Related content

http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

Mass Spec Primer
This website developed by Waters Corporation provides a brief primer on mass spectrometry which includes information on instrumentation, a discussion of mass accuracy, resolution, and LC-MS. As such the site should be a valuable resource for both students and faculty.
Author(s): Waters Corporation

License information
Related content

Rights not set

Winning hearts and minds: The power of a well-told story
Social entrepreneurs have to do more than present compelling solutions. They need to change long-standing beliefs in favour of new ways of thinking and being. This session will look at different ways that film and media can take positive messages to mass audiences with the goal of influencing strongly-held attitudes and behaviours. Speakers will offer expertise, case studies and lessons learned regarding how popular culture and a well-told story can accelerate social transformation.
Author(s): Cara Mertes, Director, Documentary Film Program, S

License information
Related content

Rights not set

Tomorrow’s news: Models for an everyone-is-media world
We are witnessing the destruction of the old media order—and the noisy, thrilling invention of something new. Tectonic shifts in technology and human behavior have changed forever the way we create, deliver, and consume information. The result: a host of emerging models from around the globe that thrive on connection and community, promising previously unimagined opportunities to engage people as active, change-making citizens. This session will examine levers of power in a world where everyon
Author(s): Paula Ellis, Vice President / Strategic Initiative

License information
Related content

Rights not set

Nuclear Warfare
Nuclear Warfare (STV 20461) provides an overview of a broad range of topics regarding nuclear weapons. Although the emphasis is on nuclear weapons, we will consider other weapons of mass destruction, particularly in the context of the threat due to terrorism and rogue states. The goal is to be informed of the background history and technical issues so as to know how best to deal with them in the future.
Author(s): Grant Mathews

License information
Related content

Copyright 2011, by the Contributing Authors

Fundamentos de las Bases de Datos (2012)
El contenido de este curso se structura en tres secciones: Una primera parte generalista introductoria de cuatro temas que versan sobre aspectos generales de los sistemas de información y los distintos tipos de repositorios que utilizan. Un bloque que versa sobre el modelo relacional de bases de datos. Su estática y dinámica. Una tercera sección donde se intoduce el concepto de Almacén de datos (Datawarehouse) y de mercadillo de datos (Datamart), se estuidian las distintas metodologías de
Author(s): Elena Castro,Sonia Garcia,Harith alJumaily

License information
Related content

Copyright 2009, by the Contributing Authors

Alsos Digital Library for Nuclear Issues
Nuclear weapons and nuclear power have greatly influenced history from 1945 to the present. This digital library provides an annotated bibliography of over 2,700 books, articles, films, CDs, and websites about a broad range of nuclear issues.
Author(s): No creator set

License information
Related content

Designing Case-Based E-Learning

Content Type: 
Resource

Tutorial on design principles for developing case-based digital learning materials. This was presented to OBGYN residents and faculty at St. Paul Hospital Millennium Medical College in Ethiopia. 
Author: Dr. Cary En
Author(s): kludewig

License information
Related content

http://creativecommons.org/licenses/by/3.0/

Virtual Maths, Density formula simulation
Density, mass and volume interactive formula, simulation
Author(s): Leeds Metropolitan University

License information
Related content

http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

Introduction
The transformation of radioactive uranium and, in some instances, thorium isotopes provides vastly more energy per unit mass of fuel than any other energy source, except nuclear fusion, and therein lies its greatest attraction. The unit considers the advantages and limitations of generating this power and the environmental and security issues that the process raises.
Author(s): The Open University

License information
Related content

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

5.2 The aftermath of the Holocaust
This unit explores the Holocaust, as the destruction of European Jewry is commonly known. The mass killing represented by the Holocaust raises many questions concerning the development of European civilisation during the twentieth century. This unit, therefore, covers essential ground if you wish to understand this development.
Author(s): The Open University

License information
Related content

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

5.1 Relativising the Holocaust?
This unit explores the Holocaust, as the destruction of European Jewry is commonly known. The mass killing represented by the Holocaust raises many questions concerning the development of European civilisation during the twentieth century. This unit, therefore, covers essential ground if you wish to understand this development.
Author(s): The Open University

License information
Related content

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