Search

...Introduction - The purpose of astronomical images is straightforward: by recording images of particular regions of the sky, we can identify what objects are out there in the Universe and where they are located. Imaging the Universe enables us to understand its structure and contents. Images provide a wider context within which astronomers can use tools like spectroscopy...

...Introduction - The oceans cover more than 70 per cent of our planet. In this free course you will learn about the depths of the oceans and the properties of the water that fills them, what drives the ocean circulation and how the oceans influence our climate. This OpenLearn course is an adapted extract from the Open University course S206 Environmental science...The...

...Introduction - This course contains a blend of text and a multimedia interactive component to look at the uniformity and diversity within cells. Fundamental to understanding how cells 'work' is knowledge of the subcellular components and how they are arranged and this is tested through a series of in-text and self-assessment questions. This OpenLearn course is an adapted...

...Introduction - Crude oil is currently our most important global source of energy. It is vital in the manufacture of many modern materials. But the world's supply of oil is finite, its price is unstable and our reliance on oil has damaging environmental consequences. This course explains why developing alternatives to oil is an essential and urgent task for humanity. This...