834 search results
Exploring communications technology
Digital & Computing

Exploring communications technology

...technique of Quadrature Amplitude Modulation (QAM). The second section looks at error control, and the third at data compression. The fourth and final section looks at the way orthogonal frequency division multiplexing (OFDM) underpins fourth generation mobile communications (4G), wi-fi and broadband. This OpenLearn course is an adapted extract from the Open University...
View course Exploring communications technology
Level 2: Intermediate 10 hrs
Building confidence in using online forums
Education & Development

Building confidence in using online forums

...technique can help you to relax when writing on a forum. Remember – this course will build your confidence and help you to reduce any feelings of nervousness you might have about getting involved on forums. The student in example 2 seems to be saying that the online learning forum is a great place to get information and pick up answers to queries. This was a common...
View course Building confidence in using online forums
Level 1: Introductory 8 hrs
Galaxies, stars and planets
Science, Maths & Technology

Galaxies, stars and planets

...techniques for measuring distances. Figure 11 shows that stars have different colours. These colours are related to the temperatures of the stars. The Sun is yellowish, with a photospheric temperature of about 5800 K. Bluish-white stars are hotter than the Sun and orange-red stars are cooler. Stellar temperatures range from less than 2000 K to over 40 000 K. Figure 11 A...
View course Galaxies, stars and planets
Level 1: Introductory 8 hrs
An introduction to leadership for school governors (Wales)
Education & Development

An introduction to leadership for school governors (Wales)

...techniques, there was an increased staff involvement in setting the school’s overall direction. This collaborative approach proved motivational and enthused the majority of staff. This was perceived to have a positive impact on standards. Make improving teaching the key process that contributes to improving standards On page 1 of The school’s improvement journey the...
View course An introduction to leadership for school governors (Wales)
Level 1: Introductory 5 hrs
Why are nonhuman animals victims of harm?
Society, Politics & Law

Why are nonhuman animals victims of harm?

...techniques for maximising ‘livestock’ growth and therefore profitability), their social and political dimensions are obscured. This is central to understanding the revolutionary impact of the animal turn: it focuses attention on a hitherto overlooked but fundamental facet of society. Another important aspect of the historical dearth of social science attention to...
View course Why are nonhuman animals victims of harm?
Level 2: Intermediate 2 hrs
Carrying out research for policy and advocacy work
Society, Politics & Law

Carrying out research for policy and advocacy work

...technique and why [you] are not using others so that research results are capable of being evaluated either by the researcher himself or by others’ (Kothari, 2004, p. 8). To do this, there are four important principles you need to consider when planning your research, and these are explored in the next activity. Activity 4 Important principles when designing a research...
View course Carrying out research for policy and advocacy work
Level 2: Intermediate 8 hrs
Assessing contemporary science
Science, Maths & Technology

Assessing contemporary science

...techniques we call molecular biology, which enable us to go back and actually either correct that mutation, or to force that mutation to happen in certain situations, and then we can look at the outcomes. RICHARD HOLLIMAN Okay. Could you tell us a little bit about your contribution to this kind of area? MARTIN BOOTMAN Yes, so my group for many years actually studied how...
View course Assessing contemporary science
Level 2: Intermediate 9 hrs
Global challenges in practice: designing a development intervention
Money & Business

Global challenges in practice: designing a development intervention

...techniques for drilling boreholes for drinking and irrigation water that don’t use power machinery. Make notes of the stakeholders and their interests by completing the stakeholder importance and influence matrix. You have to estimate stakeholder importance and influence for a proposed follow-up project to support manual drilling in Lagos. Also, note down what more you...
View course Global challenges in practice: designing a development intervention
Level 2: Intermediate 12 hrs