1,718 search results
Unsolved problems in cosmology
Science, Maths & Technology

Unsolved problems in cosmology

...system. It is possible to define the density at a given point in any system by taking a small volume element around that point and evaluating the ratio of mass to volume for that volume element. Contrast with number density. * density parameter One of the fractional densities defined by: matter density, normal cap omega sub m of t equals rho sub m of t solidus rho sub c...
View course Unsolved problems in cosmology
Level 2: Intermediate 6 hrs
Extending and developing your thinking skills
Education & Development

Extending and developing your thinking skills

...the payment is made just before the end of the month) write down the recurrence system for bn . (iii) Find the closed form for bn and use it to calculate the number of payments that will be needed to pay off the loan. Example 2 - from an Open University Level 2 psychology course Discuss the models of memory and consider their usefulness in real life situations. Discussion To answer Example 1 successfully requires ......
View course Extending and developing your thinking skills
Level 1: Introductory 6 hrs
Sustainable chemistry
Science, Maths & Technology

Sustainable chemistry

...systems via the soil and fish. One way to address these problems is to take a circular approach to plastic, designing it to stay in use for as long as possible. In the current model, we take raw materials, make them into plastic products, likely only use them once, and then throw them away. In the circular model, plastic would never become waste or pollution. We could...
View course Sustainable chemistry
Level 1: Introductory 4 hrs
Exploring health: is your lifestyle really to blame?
Health, Sports & Psychology

Exploring health: is your lifestyle really to blame?

...systems: The first is a reflective system, whereby what we do is a result of goals that reflect our values and where we’re aware of what we’re doing. The other system, which actually accounts for much more of our behaviour, is an automatic system, whereby we’re often not aware of the impulses that have generated our behaviour. There is an increasing recognition that...
View course Exploring health: is your lifestyle really to blame?
Level 2: Intermediate 4 hrs
First steps in innovation and entrepreneurship
Money & Business

First steps in innovation and entrepreneurship

...system that is cancelled because it does not work properly). There are many reasons why individuals and organisations are tempted to concentrate on enterprises and innovations that have succeeded rather than those that have failed. For example, it is generally much easier to gather evidence about an organisation or venture that is still operating...First steps in...
View course First steps in innovation and entrepreneurship
Level 2: Intermediate 8 hrs
A day at Doncaster - and an hour out of Durham
History & The Arts

A day at Doncaster - and an hour out of Durham

...system which he is no more a part of than the least of his subjects. If he will let a weary old man or a delicate woman stand indefinitely before him, he is no more to blame for that than for speaking English with a trace of German in his th sounds; he did not invent his origins or his traditions. Personally, having had it out with life, he is as amiable and as...
View article A day at Doncaster - and an hour out of Durham
Article 5 mins
Vanessa Berlowitz - Earth in Vision
Nature & Environment

Vanessa Berlowitz - Earth in Vision

...system that we pioneered on that, being able to put the animal in the context of the environment was very important. And actually seeing polar bears in their natural surroundings and using almost the metaphor of ‘the melt’ and the spring coming as a kind of bigger metaphor for change, which is something we did in the Ice Worlds show. I think a really powerful piece of...
View video Vanessa Berlowitz - Earth in Vision
Video 30 mins
The Roman Empire: introducing some key terms
History & The Arts

The Roman Empire: introducing some key terms

...system of rule (for instance, one that differs from a republic, which has elected rulers). Certainly the term ‘Roman Empire’ involves all three meanings, sometimes separately, sometimes all at once. In Latin, too, the word imperium, which came to be used for ‘empire’, contains a similar set of meanings, and we find that ancient sources also used the term in...
View course The Roman Empire: introducing some key terms
Level 3: Advanced 14 hrs