451 search results

Understanding depression and anxiety
Health, Sports & Psychology

Understanding depression and anxiety

...solid semicircles, on the different brain structures. Signals to some receptors are stimulatory, as shown by radiating red lines. The more red lines generated, the stronger the stimulation. Signals to other receptors are inhibitory, as shown by the blue lines. The more blue lines generated, the greater the inhibition. Of particular interest in this animation are the black...
Veiling
History & The Arts

Veiling

...solid colours, such as blue, brown and beige. […] This standardization in material and color had the effect of erasing social and economic differences between wearers’ (Ahmed, 2011, p. 83). In this context, the hijab was used not only as a symbol of Muslim women’s public assertion of their religious identity but also of their active participation in the fight for...
Level 2: Intermediate 10 hrs
What is politics?
Society, Politics & Law

What is politics?

...solid government for five years and it has worked. And that will cast a light forward into the rest of the century, so that whenever anybody suggests coalitions now, we know that we did have one and it did work. The other, perhaps a rogue event, was the vote by the House of Commons not to intervene militarily in Syria, defeating the government on that issue. I've a...
Level 2: Intermediate 15 hrs
Quantitative and qualitative research in finance
Money & Business

Quantitative and qualitative research in finance

...liquidity indices. OECD statistics. The Organisation for Economic Co-operation and Development (OECD) is an international economic organisation of 34 countries founded in 1961 to stimulate economic progress and world trade. From its online database one can easily download a wide range of data from economics and finance to demography, social protection and well-being....
Introducing vectors for engineering applications
Science, Maths & Technology

Introducing vectors for engineering applications

...liquids or particles. This OpenLearn course is an adapted extract from the Open University course T194 Engineering: mathematics, modelling, applications...Introducing vectors for engineering applications: Solutions to activities - Activity 1 bold a plus bold b is the hypotenuse of the right-angled triangle formed by bold a , bold b and the resultant bold a plus bold b ,...
Project management: the start of the project journey
Money & Business

Project management: the start of the project journey

...solid and practical ones. You can have fun, but the creative atmosphere can be stifled when ideas are criticised. One of the problems of brainstorming with a group of people in a room is not getting all the ideas down on paper. When a group is very lively there is a chance that one voice might not be heard. So, some organisations try electronic forms of brainstorming such...
Art in Renaissance Venice
History & The Arts

Art in Renaissance Venice

...solid form, but overall the Vivarini workshop continued to embody a traditional Gothic-influenced approach for much longer (Figure 9); in the case of Bartolomeo this persisted until his death in the 1490s. The polyptych format, the lack of concern with coherent spatial illusion, and the copious use of gold on both the Gothic frame and the backgrounds to the figures would...
Level 3: Advanced 6 hrs
Digital communications
Digital & Computing

Digital communications

...Solid-state optical switching (i.e. switching with no moving parts) can use devices based upon electro-optic materials such as lithium niobate (LiNbO3). An electro-optic material is one whose refractive index changes significantly when an electric field is applied across it. Figure 23 shows a 2 × 2 switch element which exploits the electro-optic effect. This is a...
Level 3: Advanced 20 hrs