513 search results

Othello and apartheid
History & The Arts

Othello and apartheid

...cast of both white and black actors. In these three films we explore the way in which one of Shakespeare’s plays was used to make provocative statements on the political situation in South Africa the late eighties. This material forms part of The Open University course A230 Reading and studying literature... The play as a metaphor Janet Suzman explains how she used a...
What is a metal?
Science, Maths & Technology

What is a metal?

...aluminium, sodium and potassium. Slightly more exotic metals are chromium, nickel, cobalt, cadmium, titanium and manganese. There are a couple of chemistry terms used in this course that you may not be familiar with, so we have defined them to help your study of this course. An element is a substance made up of only one type of basic building block and each element is...
Level 1: Introductory 3 hrs
How do you become French President?
Society, Politics & Law

How do you become French President?

...cast their vote in the second round. They do so by voting positively for somebody, or else by casting their vote against the candidate they do not wish to see elected. For instance in the 2012 election the result of the two rounds of voting was as follows: Summary of the 21–22 April and 5–6 May 2012 French presidential election result Candidate Party 1st round 2nd...
Religion in history: conflict, conversion and coexistence
History & The Arts

Religion in history: conflict, conversion and coexistence

...casts an illuminating eye over the global history of Christianity, from its early rise to modern expansions and prominence in Africa and America. Byzantine and late Roman religions From the 3rd to the 7th Century, many religious groups experienced expansion and growing interaction, creating an illuminating clash of cultures, ideas and beliefs. The crusades From the Church...
The geological record of environmental change
Science, Maths & Technology

The geological record of environmental change

...sands that are found in hummocky beds in Gentile Wash in Utah. Utah: Woodside Canyon A look at the rocks and their formation in Woodside canyon in comparison to that of Gentile Wash. Utah: Spring Canyon- sediment partitioning Investigating Spring Canyon sediment partitioning. Utah: 'The Panther tongue' The geology of the 'panther tongue' at Gentile wash in Utah and the...
Swept away: Brighton's Chain Pier collapses during a storm
History & The Arts

Swept away: Brighton's Chain Pier collapses during a storm

...cast-iron framework. Volk's Electric Railway, constructed in the sea from Brighton to Rottingdean, was in several places swept away, and the railway, which was opened with such eclat last Saturday week, has thus early met with disaster. The new large car which had been taken over to Rottingdean was thrown over and smashed to atoms, the waiting-room and landing-stage at...
Abrasive jet cutting
Science, Maths & Technology

Abrasive jet cutting

...sand, which is used at rates of 0.5–0.75 kg min-1, or more expensive materials such as SiC, which gives up to 3 times the cutting speed of sand. Particle size of abrasive varies depending on cutting speed and/or edge quality required. The finer the particle size, the cleaner the cut; the coarser the particle size, the faster the cutting speed. Since abrasive is one of...
What is Alzheimer's disease?
Health, Sports & Psychology

What is Alzheimer's disease?

...aluminium and of genes. It is likely that the disease is caused by a number of factors rather than a single factor. Twice as many women as men are affected by the disease, which suggests a possible link with female hormones. It is believed by scientists that the female hormone oestrogen has a protective effect on the brain, so that after the menopause when oestrogen...