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An expert’s take on AI
Digital & Computing

An expert’s take on AI

...systems which are rule-based, and you have a whole load of rules which can be thought of as ‘if this is true or if this is false, then do this…’. They’re widely used in medical diagnosis and fault finding in complex engineering systems, for example. An alternative approach is to mimic the way that simple animals work, such as insects, so a lot of robots will walk...
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Article 5 mins
Minerals and the crystalline state
Science, Maths & Technology

Minerals and the crystalline state

...systems...Minerals and the crystalline state: 1 Introducing crystals - Three distinct types of crystal, each of which is a different mineral, can be seen in the granite shown in Figure 1: shiny black biotite mica; cloudy white feldspar and translucent grey quartz. Figure 1 A close-up of a piece of granite, 7 cm across, showing interlocking, intergrown crystals of several...
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Level 2: Intermediate 10 hrs
Astronomy with an online telescope Badge icon
Science, Maths & Technology

Astronomy with an online telescope

...systems are being formed. In this badged course, Astronomy with an online telescope, you will learn about some of these celestial objects and have the opportunity to take spectacular images using the remotely-operated COAST telescope facility in Tenerife. You will find out how telescopes and astronomical imaging equipment works, and learn how to get the most out of your...
View course Astronomy with an online telescope
Level 1: Introductory 24 hrs
Empires: power, resistance, legacies
History & The Arts

Empires: power, resistance, legacies

...systems of trade, how we use technology, our relationships with the natural world. They have shaped how we have seen, mapped and divided the world. They have profoundly affected how we have understood and represented each other. This free course, Empire: power, resistance, legacies, will help you to navigate the complex histories of empires through three key concepts...
View course Empires: power, resistance, legacies
Level 1: Introductory 8 hrs
How can Facebook decide who you really are?
Science, Maths & Technology

How can Facebook decide who you really are?

...system of social hierarchy. When Facebook reinstated Preetha's account, her full name appeared on her profile, caste name and all. Some castes are more vulnerable than others. My South Asian colleagues have explained to me that a move like this can give your enemies license to treat you as badly as they like, with impunity. Similarly, police are unlikely to respond to a...
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Article 5 mins
Riches & misery: the consequences of the Atlantic slave trade
History & The Arts

Riches & misery: the consequences of the Atlantic slave trade

...system, and should still be seen as responsible for many of its evils. The impact of the Atlantic slave trade on the New World. Whatever the effect of slavery on Africa, there can be no doubt that the use of black slaves played a crucial part in the economic development of the New World, above all by making up for shortages of labour. Here, and in other places of European...
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Article 10 mins
Chinese education: How do things work?
Society, Politics & Law

Chinese education: How do things work?

...system as having four components; basic education, occupational education, higher education and adult education. Basic education comprises pre-school education, six years of primary schooling; three years of junior secondary schooling and then three years of senior secondary schooling. The numbers involved are huge: 192,000,000 children enrolled in over 400,000 primary...
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Article 10 mins
Extinctions at World Heritage Sites aren't just environmental disasters
Nature & Environment

Extinctions at World Heritage Sites aren't just environmental disasters

...system on which some 200,000 people depend — almost half of Belizeans. Nadia Bood, a marine biologist at WWF-Belize, warns that populations of some fish, lobsters and molluscs have declined dramatically in recent years, leaving local fishermen and traders with less stock to sell. “It's a constant battle” she says. “Unless NGOs, society and government work...
View article Extinctions at World Heritage Sites aren't just environmental disasters
Article 5 mins