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Osprey process
Science, Maths & Technology

Osprey process

...2 m wide x 2 m high. 450 kg roll preforms can be produced. The majority of preforms require subsequent deformation by extrusion, hot rolling or forging. Materials: A wide range of materials have been processed by the Osprey route. Fine grain sizes can lead to improvements in mechanical properties and enable materials which cannot normally be deformed by conventional...
What is Systems Thinking in Practice Hub about?
Society, Politics & Law

What is Systems Thinking in Practice Hub about?

...2) to advanced (level 3) - or can take different times to study, from 1 hour to 75 hours! One of them, Mastering systems thinking in practice, is specifically designed as a primer for the OU postgraduate programme in Systems thinking in practice. Many of the videos and audios show key techniques being demonstrated, such as systems diagramming. Some are older case studies...
How our brain changes as we grow old: the Blood Brain Barrier breakdown
Science, Maths & Technology

How our brain changes as we grow old: the Blood Brain Barrier breakdown

...2: The process of ageing is a normal phenomenon that occurs in every individual The BBB can be altered under several circumstances such as the normal process of ageing (fig 2.). The BBB breakdown is an early phenomenon in ageing, and one of the most important alterations is the loosening of the tight junctions, which leads to an increase in permeability, allowing...
Introducing environment
Nature & Environment

Introducing environment

...2 and follow the easy instructions at the end of each of the next 12 tracks. You may be surprised! Video tracks 14-17 visit an eco-house with a compostable toilet and a green community in Hockerton. Audio tracks 18-20 explore the microscopic activity inside a compost heap, debate the role of blood sports for pest control, and give tips on how to write about science. This...
En rumbo: intermediate Spanish
Languages

En rumbo: intermediate Spanish

...2 Here are three examples of people introducing themselves and giving basic personal information. What are their names? How old are they? Where are they from? What do they do? Routines part 1 You are going to listen to two people talking about their daily routines. Routines part 2 An important part of talking about routines is using expressions of time and frequency. In...
Pain and Aspirin
Science, Maths & Technology

Pain and Aspirin

...2 How does it hurt? - This is a useful question because once we know the mechanism of pain sensation we can do something about alleviating it. When tissue is injured there follows a rapid release of ‘messenger’ chemicals that stimulate the nerve endings. Electrical impulses are relayed through the nerves to the spinal column and to the brain, which registers the...
Level 2: Intermediate 4 hrs
Linear programming – the basic ideas
Science, Maths & Technology

Linear programming – the basic ideas

...2 looks at graphical representations of two-dimensional models, considers some theoretical implications and examines the graphical solution of such models. Section 3 introduces the simplex method for solving linear programming models and Section 4 uses matrix notation to formalize the simplex method...This free course examines the formulation and solution of small linear...
Exploring innovative assessment methods
Education & Development

Exploring innovative assessment methods

...2 portrays some of the key aspects of a competency-based curriculum. The focus is upon the learning process and should include input measures that encompass quality control; have involvement from employers; have access to real world or residential experience where possible; develop skills to be an active citizen; and include teaching and assessment that demonstrates...