966 search results
Living without oil
Science, Maths & Technology

Living without oil

...determining our individual consumption of crude oil? Public transport carries many more passengers than cars can, so the consumption of crude oil by a bus or train will be spread across many more individual passengers. Other forms of transport are important too - aviation is a huge consumer of fuel derived from crude oil (largely kerosene). A single return flight to New...
View course Living without oil
Level 1: Introductory 8 hrs
The economics of flood insurance
Society, Politics & Law

The economics of flood insurance

...determine how water moves through the environment makes it easier to control. The video gives a good sense of how trying to build walls to keep water out of residential and urban areas may do more harm than good. If rivers are encouraged to run through narrow courses with concrete embankments, they may flow too fast for containment after heavy weather and cause more...
View course The economics of flood insurance
Level 2: Intermediate 6 hrs
Introducing key global development challenges
Society, Politics & Law

Introducing key global development challenges

...determining the course of its evolution. Table 1 shows three broad levels of conflict processes - disputes, goal-based problems and identity conflicts. Addressing them requires different skills and approaches. In any social context, as in disputes over land ownership, all three processes may be at work. Table 1: Broad division of conflict process types. Conflict process...
View course Introducing key global development challenges
Level 3: Advanced 6 hrs
Learning from major cyber security incidents
Digital & Computing

Learning from major cyber security incidents

...determined from the other, so even if the public key falls into hostile hands, the value of the private key cannot be determined. Activity 4 Timing: Allow about 20 minutes In the context of network security: What is a firewall and how can it protect a network? What is an intrusion detection system and how does it work? Answer In a building, a firewall is a reinforced...
View course Learning from major cyber security incidents
Level 2: Intermediate 8 hrs
Human rights and law
Society, Politics & Law

Human rights and law

...determined to save succeeding generations from the scourge of war, which twice in our lifetime has brought untold sorrow to mankind, and to reaffirm faith in fundamental human rights, in the dignity and worth of the human person, in the equal rights of men and women and of nations large and small … (United Nations Charter) These words were written in 1948 when horrific...
View course Human rights and law
Level 1: Introductory 20 hrs
Mental health in society
Health, Sports & Psychology

Mental health in society

...determine how their condition will be managed. Indeed, in recent years, the term ‘expert by experience’ has been proposed as a term that captures this different perspective. Some have chosen to adopt terms such as ‘service user’ or ‘client’ to describe the way in which managing mental ill health involves a range of different kinds of support (not just the...
View course Mental health in society
Level 1: Introductory 8 hrs
Exploring cells with digital fluorescence microscopy
Science, Maths & Technology

Exploring cells with digital fluorescence microscopy

...determine how much detail a microscope can reveal and be introduced to the concept of resolution. By applying this concept, you will understand why an electron microscope can reveal cellular structures in far greater detail than a light microscope. [Described image] Figure 1 PhD student using a fluorescence microscope in The Open University’s laboratories...Exploring...
View course Exploring cells with digital fluorescence microscopy
Level 2: Intermediate 8 hrs
Starting with maths: Patterns and formulas
Science, Maths & Technology

Starting with maths: Patterns and formulas

...determine whether an adult is under- or overweight. It is calculated as follows: Although care needs to be taken in interpreting the results (for example, the formula isn't appropriate for children, old people or those with a very muscular physique!), a BMI of less than 20 suggests the person is underweight and a BMI of over 25 suggests the person is overweight. In this...
View course Starting with maths: Patterns and formulas
Level 1: Introductory 5 hrs