965 search results
Influence of temperament
Education & Development

Influence of temperament

...central concepts in current thinking about child development is that of the child influencing its own development, i.e. not just being a passive receiver of externally determined experiences. Bell (1968) and Sameroff and Chandler (1975) are widely recognized as bringing this transactional model to the fore. Under this model the child plays a significant role in producing...
View article Influence of temperament
Article 15 mins
Key historic LGBTQI+ figures
Education & Development

Key historic LGBTQI+ figures

...central figures (alongside Sylvia Rivera) of the historical Stonewall uprising in 1969. She also advocated for homeless LGBTQ+ youth as well as those affected by HIV and AIDS. Marsha adopted her name when moving to New York and stated that the P stood for ‘Pay It No Mind’, a phrase that became her motto. Living in New York in the 1960s was difficult, with the state of...
View article Key historic LGBTQI+ figures
Article 20 mins
Machines, minds and computers
Digital & Computing

Machines, minds and computers

...central to Cybernetics and to new trends in artificial intelligence that we should dwell on it for a moment. Figure 6 Norbert Wiener Exercise 4 Try to come up with your own definition of feedback. Use a dictionary, or search the Web if you want, but use your own words as far as possible. Comment Most definitions seem to agree on the central idea that feedback is a process...
View course Machines, minds and computers
Level 3: Advanced 10 hrs
White dwarfs and neutron stars
Science, Maths & Technology

White dwarfs and neutron stars

...central temperatures and pressures become high enough for nuclear fusion to be initiated in their cores. At this point, the clouds stop contracting further and are maintained in hydrostatic equilibrium with a balance between the inward force of gravity and the outward force due to their internal pressure. Stars are typically initially composed of about 75% hydrogen and...
View course White dwarfs and neutron stars
Level 3: Advanced 6 hrs
Climate change
Nature & Environment

Climate change

...central conclusion. Increasing the atmospheric concentration of CO2, or any other greenhouse gas, will force the global climate to warm up; we shall often refer to this as 'greenhouse forcing'. However, the weighty tomes issued by the IPCC bear witness to the fact that 'the devil is in the detail'! In particular, there is still major uncertainty about what is perhaps the...
View course Climate change
Level 2: Intermediate 18 hrs
From Brexit to the break-up of Britain?
Society, Politics & Law

From Brexit to the break-up of Britain?

...centrality is increasingly challenged by the existence of elected institutions in Scotland, Wales and Northern Ireland. The referendum vote and the consequences of Brexit highlight some of the tensions between London not only across the UK, but also specifically within England. This week, rather than taking London for granted and assuming the centrality of its position,...
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Level 1: Introductory 12 hrs
Successful IT systems
Digital & Computing

Successful IT systems

...central services and applications. Then we looked at the outputs that we wanted from each of those areas, the cost base and the areas where we wanted to get our innovation from.’ Initially, the data centre and the network were prioritised as they provided the platform that supported the rest of the business – the applications running in the data centre, while the...
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Level 3: Advanced 9 hrs
What chemical compounds might be present in drinking water?
Science, Maths & Technology

What chemical compounds might be present in drinking water?

...central elements are in Group 15. So phosphate can be similarly absorbed...What chemical compounds might be present in drinking water?: 2.2.1 Removal of arsenic oxoanions from drinking water - To remove arsenite and arsenate anions from water one method is to add particles of iron(III) hydroxide and allow time for the anion exchange to take place. However, where the water...
View course What chemical compounds might be present in drinking water?
Level 2: Intermediate 6 hrs