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Ethics Bites
History & The Arts

Ethics Bites

...works best? Brenda Almond gives her perspective on the family. Find out more about Brenda, and ethics, at www.open2.net/ethicsbites. Copyright When is inspiration actually plagiarism? Richard Posner guides us through the world of copyright. Find out more about Richard, and ethics, at www.open2.net/ethicsbites. Sex and Perversion When does sex bring fulfilment and when is...
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Audio 3 hrs 49 mins
What is Manupedia and how do I use it?
Science, Maths & Technology

What is Manupedia and how do I use it?

...works. Often this is presented as a list of steps to the process. Different variants of the process are outlined in separate illustrations and explanations. Every entry then includes three separate sections titled, not surprisingly, manufacture, materials and design. Each section then analyses the process from its particular perspective, often including information...
View article What is Manupedia and how do I use it?
Article 10 mins
Can high blood pressure protect the over-80s from dementia?
Health, Sports & Psychology

Can high blood pressure protect the over-80s from dementia?

...work to pump blood around the body. As blood pressure increases, so too does the effort of the heart. Over time, the added strain caused by high blood pressure can damage the heart and increase the risk of having a heart attack. High blood pressure can also indicate that the blood vessels are themselves damaged or blocked. This is particularly bad for the brain, because...
View article Can high blood pressure protect the over-80s from dementia?
Article 5 mins
Diagrams, charts and graphs
Science, Maths & Technology

Diagrams, charts and graphs

...work with a diagram length of 1 cm. As 2 cm represent 1 m, 1 cm will represent 0.5 m. Then 6 cm represent 0.5 × 6 m = 3 m, 0.2 cm represent 0.5 × 0.2 m = 0.1 m, 3 cm represent 0.5 × 3 m = 1.5 m, 3.6 cm represent 0.5 × 3.6 m = 1.8 m, 0.5 cm represent 0.5 × 0.5 m = 0.25 m. (b) Here 1 m in reality is represented by 2 cm on the diagram. So 2.3 m are represented by 2.3 ×...
View course Diagrams, charts and graphs
Level 1: Introductory 5 hrs
How did Trump win the White House?
Society, Politics & Law

How did Trump win the White House?

...working-class voters. Previous Republican nominees such as John McCain, who embraced generous immigration policies, and Mitt Romney, who advocated free trade, never managed to connect with blue-collar voters in the Great Lakes region. But Trump’s anti-immigration and protectionist trade policies gave him a unique opening with white working-class voters, and he made the...
View article How did Trump win the White House?
Article 5 mins
Does maths offer a better model for multi-candidate elections?
Science, Maths & Technology

Does maths offer a better model for multi-candidate elections?

...work well when there are more than two strong candidates. It can then produce quite arbitrary outcomes. If there are five strong candidates, should you really be eliminated just because 18 percent of voters put you first, while the other four candidates were placed first by 19 to 22 percent of voters? Shouldn’t we look at how many voters put you second, for instance,...
View article Does maths offer a better model for multi-candidate elections?
Article 5 mins
Getting started with a Password Manager
Digital & Computing

Getting started with a Password Manager

...work computers. Fortunately, there is a solution – a password manager; a program that creates and securely stores passwords on your computer. Rather than remembering lots of passwords, a password manager means you only need a single password to unlock the manager itself. As a bonus, password managers can create enormous, complex passwords far too complex for humans to...
View article Getting started with a Password Manager
Article 15 mins
28 July 2005: 4 o'clock and all is well
OpenLearn Ireland

28 July 2005: 4 o'clock and all is well

...working together Irish republicans can achieve our objectives. Every Volunteer is aware of the import of the decisions we have taken and all Oglaigh are compelled to fully comply with these orders. There is now an unprecedented opportunity to utilise the considerable energy and goodwill which there is for the peace process. This comprehensive series of unparalleled...
View article 28 July 2005: 4 o'clock and all is well
Article 5 mins