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Exploring languages and cultures
Languages

Exploring languages and cultures

...type of language consisting of words and phrases that are regarded as very informal, are more common in speech than writing, and are typically restricted to a particular context or group of people: “grass is slang for marijuana”’ (Oxford University Press, 1989). Slang is often used by the underworld or by particular subcultures in order to assert their group...
View course Exploring languages and cultures
Level 1: Introductory 14 hrs
Getting started with Chinese 2
Languages

Getting started with Chinese 2

...phrase book little by little. One important thing to do before you start is to take some time to decide how you will allocate your time to your studies. Learning Mandarin Chinese, like learning any language, is a gradual process; it’s often described as a ‘marathon, not a sprint.’ Little and often is the best approach, so if possible, spread your 3-4 hours over the...
View course Getting started with Chinese 2
Level 1: Introductory 8 hrs
What is a virus?
Science, Maths & Technology

What is a virus?

...type of virus), enveloped in a protein coat. They can vary in shape and size, and typically range from 20–300 nanometres (a nanometer is a meter divided by a thousand million) (Figure 1). Viruses can exist outside their host, but they can’t replicate in isolation, don’t have any of the cellular ‘machinery’ of a normal cell, nor any metabolism. Indeed, there is a...
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Article 20 mins
Simple coding
Digital & Computing

Simple coding

...type error. This basically means the code is mixing data of different types, mixing apples and oranges if you like. In this case, we are trying to add a number (3) to a string ("7") which of course doesn’t make sense. Click on the X at the right end of the message to make it go away and then reset the program to undo the change. Sometimes, code has more subtle errors,...
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Level 1: Introductory 2 hrs
Question Time for Yanis Varoufakis
Society, Politics & Law

Question Time for Yanis Varoufakis

...type that we were elected to challenge. It is now clear that my fears were justified. Roy Bailey, University of Essex - Was the surprise referendum of July 5 conceived as a threat point for the ongoing bargaining between Greece and its creditors and has the last year caused you to adjust how you think about Game Theory? Varoufakis: I shall have to disappoint you Roy...
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Article 10 mins
Film: Creative or Cultural?
Money & Business

Film: Creative or Cultural?

...type of creative activity. Using this definition individual creativity could equally well include developing scientific innovations, but industries that develop these are not typically included in definitions of the creative sector. The difficulty in identifying specific types of “individual creativity” makes it very difficult to decide which industries are...
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Article 5 mins
Stretch forming
Science, Maths & Technology

Stretch forming

...types of process; stretch forming and stretch-wrap forming. Stretch forming consists of placing a sheet of material over a form block. The ends of the sheet are gripped in hydraulically operated serrated jaws. Only one die is required. The stretch block is mounted on a rising table which is actuated by means of one or more hydraulic pistons or rams. This moves upwards and...
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Article 5 mins
Particle physics
Science, Maths & Technology

Particle physics

...type, respectively. This OpenLearn science course was updated with the kind support of Dangoor Education, the educational arm of The Exilarch's Foundation. This OpenLearn science course was updated with the kind support of Dangoor Education340, the educational arm of The Exilarch's Foundation...This free course, Particle physics, will give you an overview of current...
View course Particle physics
Level 1: Introductory 5 hrs