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 8 different subject areas. Our courses are available to start right away.

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Grid List Results: 298 items
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Group theory free course icon Level

Science, Maths & Technology

Group theory

This free course consolidates and builds on group theory studied at OU level 2 or equivalent. Section 1 describes how to construct a group called the direct product of two given groups, and then describes certain conditions under which a group can be regarded as the direct product of its subgroups. Section 2 describes the key properties of the ...

Free course
16 hrs
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The restless Universe free course icon Level

Science, Maths & Technology

The restless Universe

The restless Universe introduces you to major achievements and figures in the history of physics, from Copernicus to Einstein and beyond. The route from classical to quantum physics will be laid out for you in this free course without recourse to challenging mathematics but with the fundamental features of theories and discoveries described in ...

Free course
12 hrs
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An introduction to web applications architecture free course icon Level

Science, Maths & Technology

An introduction to web applications architecture

This free course, An introduction to web applications architecture, provides an overview of the design and implementation of computer software that runs on web servers, instead of those running solely on desktop computers, laptops or mobile devices.

Free course
8 hrs
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Engineering: The nature of problems free course icon Level

Science, Maths & Technology

Engineering: The nature of problems

Engineering is about extending the horizons of society by solving technical problems, ranging from the meeting of basic human needs for food and shelter to the generation of wealth by trade. In this free course, Engineering: The nature of problems, we learn that engineers see the problems more as challenges and opportunities than as difficulties...

Free course
40 hrs
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Diabetes complications free course icon Level

Science, Maths & Technology

Diabetes complications

Diabetes is an increasing problem among both adults and children. This free course, Diabetes complications, looks at the way the condition is managed once it has been diagnosed in order to reduce the risk of further complications. You will look at the role of each member of the team involved in the diabetes annual review and look at the risk ...

Free course
16 hrs
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Life in the Palaeozoic free course icon Level

Nature & Environment

Life in the Palaeozoic

Fossils are a glimpse into the distant past and fascinate young and old alike. This free course, Life in the Palaeozoic, will introduce you to the explosion of evolution that took place during the Palaeozoic era. You will look at the many different types of creatures that existed at that time and how they managed to evolve to exist on land.

Free course
12 hrs
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Seeing the light free course icon Level

Science, Maths & Technology

Seeing the light

This free course, Seeing the light, will teach you about how the Sun affects your home, both in terms of light and warmth and the energy it generates. You will learn about how it can affect your health and well-being, and how different climates design their homes differently to maximise the benefits of the Sun.

Free course
10 hrs
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Studying mammals: Life in the trees free course icon Level

Nature & Environment

Studying mammals: Life in the trees

David Attenborough looks at life in the trees: examining how species have evolved to cope with arboreal living. In this free course, Studying mammals: Life in the trees, you will learn how lemurs, anteaters, bears and many others have developed different methods to help movement and survival.

Free course
10 hrs
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Energy resources: tidal energy free course icon Level

Nature & Environment

Energy resources: tidal energy

The rise and fall of ocean tides result from the combined gravitational pull on water by the Moon and, to a lesser extent, the Sun, which exerts a force on water directed towards the two astronomical bodies. These gravitational effects combine with centrifugal forces that result from the Earth and the Moon orbiting each other. All of which ...

Free course
2 hrs
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Language, notation and formulas free course icon Level

Science, Maths & Technology

Language, notation and formulas

Communication is as vital in mathematics as in any language. This free course, Language, notation and formulas, will help you to express yourself clearly when writing and speaking about mathematics. You will also learn how to answer questions in the manner that is expected by the examiner.

Free course
5 hrs
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Introduction to number theory free course icon Level

Science, Maths & Technology

Introduction to number theory

This free course, Introduction to number theory, is a branch of mathematics concerned with the properties of integers. Section 1 introduces Euclid’s algorithm, which is used to find the HCF of two integers, and the idea of congruences, mathematical statements used to compare remainders when two integers are each divided by another integer. ...

Free course
18 hrs
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Understanding cardiovascular diseases free course icon Level

Science, Maths & Technology

Understanding cardiovascular diseases

Your heart beats around 100,000 times every day and, in that time, pumps about 23,000 litres of blood around your body. But what happens when it doesn't work as well as it should? This free course, Understanding cardiovascular diseases, explains what happens in cardiovascular disease, when the heart's performance is affected, how the normal ...

Free course
15 hrs