288 search results

Electronic applications
Science, Maths & Technology

Electronic applications

...migration from analogue to digital circuits for some types of signal processing, and digital filters are an example of this trend. Digital filters have some advantages over analogue filters. They are programmable, so their operation is determined by a program stored in a processor’s memory. This means a digital filter can easily be changed without affecting the...
Level 2: Intermediate 10 hrs
Questioning crime: social harms and global issues
Society, Politics & Law

Questioning crime: social harms and global issues

...migration’ in Hillyard, P., Pantazis, C., Tombs, S. and Gordon, D. (eds) Beyond Criminology: Taking Harm Seriously, London, Pluto Press, pp. 133–55...Questioning crime: social harms and global issues: Acknowledgements - This free course was written by Karen Cereso and Martin Holborn. It is based on Open University course content written by Lynne Copson, Gabi Kent and...
What is poetry?
History & The Arts

What is poetry?

...migrating birds like euphemistic words or an air-blown lover’s kiss – false and paltry – give this part of town a miss) still, I’m a big fish in a tiny pond, twin to a natural blonde but at least a reference for men’s desire, the heat of the missing fire. While our strong and handsome brothers wrestle with each other on top of Ulysses’ mast (male ego, vanity...
Level 1: Introductory 12 hrs
Psychology around the world
Health, Sports & Psychology

Psychology around the world

...migration, and how we come to know one another, and how we can create dialogue and solidarity. LINDA WAIMARIE NIKORA I’m Linda Waimarie Nikora. [NON-ENGLISH SPEECH]. My tribal groups are Tuhoe, Te Aitanga a Hauiti, which is on a sea-based tribe, and a few other sea-based tribes, [NON-ENGLISH SPEECH] as well. So I’m a professor of Indigenous studies, but formerly a...
Level 1: Introductory 6 hrs
Waste management and environmentalism in China
Nature & Environment

Waste management and environmentalism in China

...migration may feel that they have a better life overall. A quote from Judy Li from Beijing’s China Sustainable Cities Program shows the scale of these informal enterprises: ‘Local waste experts and activists say that in Beijing alone there are around 200 000 informal collectors working seven days a week, collecting around 30% by weight of the total MSW’ (Li, 2015)....
English: skills for learning Badge icon
Education & Development

English: skills for learning

...migration provides an interesting example of how large-scale social forces impact upon individual lives. The experience of Barack Obama is a case in point. His parents, and also the young Obama, migrated across the world. This complexity is illustrated by the following case study. If migrants feel that their ancestral language negatively affects their life chances, they...
Level 1: Introductory 24 hrs
Can renewable energy sources power the world? Badge icon
Science, Maths & Technology

Can renewable energy sources power the world?

...migrate up into the layer of n-type silicon and the hole tends to migrate down into the layer of p-type silicon. The electron then travels to a metallic current collector on the front surface of the cell, generates an electric current in the external circuit and then re-emerges in the layer of p-type silicon, where it can recombine with waiting holes. If a photon with an...
Robert Owen and New Lanark
History & The Arts

Robert Owen and New Lanark

...migrated there, Manchester had become the commercial centre of the cotton industry in northern England, while Glasgow performed a similar function for the Scottish Lowlands. The Lowlands, like upland Lancashire and the West Riding of Yorkshire, had copious supplies of waterpower which could be harnessed as the prime mover of early industrialisation, notably on the river...
Level 2: Intermediate 12 hrs