Free courses
Produced by The Open University, a world leader in open and distance learning, all OpenLearn courses are free to study. We offer nearly 1000 free courses across 9 different subject areas. Our courses are available to start right away.
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Science, Maths & Technology
Biofuels
This free course, Biofuels, investigates what is meant by a biofuel and covers the advantages of using biofuels compared with fossil fuels. The different types of biofuel are explored, with particular emphasis on transport biofuels. Finally, the issue of whether biofuels are the complete answer to our future energy needs is considered.

Health, Sports & Psychology
Forensic science and fingerprints
This free course, Forensic science and fingerprints, covers how science can make fingerprints easier to study, how they are used in court and some of the questions about the extent to which fingerprint identification is sound and scientific. Students will learn the principles used in classifying and matching fingerprints (often called marks).

Science, Maths & Technology
Babylonian mathematics
This free course looks at Babylonian mathematics. You will learn how a series of discoveries has enabled historians to decipher stone tablets and study the various techniques the Babylonians used for problem-solving and teaching. The Babylonian problem-solving skills have been described as remarkable and scribes of the time received a training ...

Science, Maths & Technology
Introduction to analysis
This free course is an introduction to analysis which looks at real numbers and their properties, with a particular emphasis on inequalities. Section 1 starts by revising rational numbers and their decimal representations. Then, real numbers are introduced as infinite decimals. Section 2 looks at rules for manipulating inequalities and finding ...

Science, Maths & Technology
Second-order differential equations
This free course is concerned with second-order differential equations. Section 1 introduces some basic principles and terminology. Sections 2 and 3 give methods for finding the general solutions to one broad class of differential equations, that is, linear constant-coefficient second-order differential equations. Section 2 covers homogeneous ...

Science, Maths & Technology
IT: Technology news
To develop as an independent, confident learner you will need to learn the study skills involved in reading articles, taking notes and summarising the information that you have obtained from an article. This free course, IT: Technology news, explores the use of the Web as a resource for keeping up to date, looking in particular at how to assess ...

Science, Maths & Technology
Everyday maths 1 (Wales)
This free course will develop and improve your essential maths skills for work, study and everyday life. The course has four sessions, which cover the following topics: numbers, measurement, shapes and space, and handling data. There will be plenty of examples to help you progress, together with opportunities to practise your understanding. A...

Science, Maths & Technology
Introduction to cyber security: stay safe online
This free course, Introduction to cyber security: stay safe online, will help you to understand online security and start to protect your digital life, whether at home or work. You will learn how to recognise the threats that could harm you online and the steps you can take to reduce the chances that they will happen to you.

Science, Maths & Technology
Introduction to polymers
This free course, Introduction to polymers, examines the use of polymers and demonstrates how their properties are controlled by their molecular structure. You will learn how this structure determines which polymer to use for a particular product. You will also explore the manufacturing techniques used and the how the use of polymerisation can ...

Science, Maths & Technology
Internet of everything
The internet of everything (IoE) is the networked connection of people, process, data and things. As more people, data and things come online, we develop processes to harness the vast amounts of information being generated by all these connected people and things. The goal of this free course is to introduce you to fundamental concepts and ...

Science, Maths & Technology
Innovation through representation
Innovations are realised through design, and some of the most useful tools in the designer's toolbox are the representations that are used to move from a vague idea, to a concept, and then to a realised product, service or system. This free course, Innovation through representation, explores what innovation is and how representations are used to...

Science, Maths & Technology
An introduction to electronics
Electronics is fundamental to modern life. Using an interactive website, videos, and easy-to-use electronic circuit design and simulation software, this free course, An introduction to electronics, will show how electronic devices and systems pervade everything we do, and teach some of the basic ideas.