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An introduction to electronics
Science, Maths & Technology

An introduction to electronics

...world. Increasingly electronics is at the cutting edge of technology, as illustrated in the following video. TIM DRYSDALE Electronics has come a long way in seven decades. Even more importantly, it’s helped the world develop at a pace that is unprecedented in human history. BERNIE CLARK Ray Kurzweil estimates the next 100 years will bring a rate of change equal in...
Level 2: Intermediate 10 hrs
Effects of pollutants on the aquatic environment
Nature & Environment

Effects of pollutants on the aquatic environment

...World Health Organization (WHO, 2002), about 1.7 million people die each year due to unsafe water, sanitation and hygiene. In this text we consider in outline the major sources of pollution and the effect that pollutants have on the aquatic environment. The activities located throughout the text will help you to review and remember what you have read. This OpenLearn...
Should we test drugs on pregnant women?
Health, Sports & Psychology

Should we test drugs on pregnant women?

...world. Expectant mothers grapple with all kinds of health conditions, from depression to diabetes, migraines to malaria, epilepsy, Crohn’s disease and more. Many are offered medications for their maladies: precise figures are hard to pin down, but according to several reviews of prescription databases, the share of pregnant women who receive at least one prescription...
Understanding different research perspectives
Money & Business

Understanding different research perspectives

...world out there that can be objectively known; for example, profit can be viewed as an objective measure of business performance. Alternatively the researcher may believe that concepts such as ‘culture’, ‘motivation’, ‘leadership’, ‘performance’ result from human categorisation of the world and that their ‘meaning’ can change depending on the...
Accessibility of eLearning
Education & Development

Accessibility of eLearning

...world, many disabled people now could potentially have better and more independent access to information and communication. New technology developments can make this access easier, but they can also raise new barriers. These barriers can often be removed by considering the needs of disabled users when designing and implementing electronic or online educational...
Level 3: Advanced 15 hrs
Introduction to music theory 1: form
History & The Arts

Introduction to music theory 1: form

...world traditions. You will explore a number of methods of representing form, including alphabetical designations (e.g., AABA), genre-specific terminology (e.g., terms such as ‘verse’ and ‘chorus’) and visual representations (e.g., diagrams, tables). This course is adapted from the Open University course A234 Understanding Music. It is first in a planned sequence...
Retail marketing
Money & Business

Retail marketing

...world examples of the following products were grown: apples potatoes tomatoes. Answer Did you find that the fresh fruit and vegetables came from different parts of the world? The results from my supermarket trip were as follows: apples – grown in France potatoes – grown in the UK tomatoes – grown in Spain. What we are interested in is how these products got to the...
Level 1: Introductory 8 hrs
Freeing people caught between life and death
Health, Sports & Psychology

Freeing people caught between life and death

...world outside is oblivious to what’s going on inside. “Inside, there’s plenty of time to think. At first, this feels like a game, even one that is strangely amusing. Then, reality sets in. You’re trapped. You see and hear your family lamenting your fate. Over the years, the carers forget to turn on the TV. You’re too cold. Then you’re too hot. You’re always...