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Sand casting
Science, Maths & Technology

Sand casting

...account the relative amount of shrinkage and the change in shape that can occur on solidification. Approximate shrinkages for some casting alloy. Alloy Shrinkage (mm m-1) Cast iron 10 Steel 20 Brass 15 Aluminium 13 Magnesium-based 13 The shape of the casting should allow for progressive solidification, from the remotest parts backwards. When wall-thickness variations are...
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Article 5 mins
English monsters
History & The Arts

English monsters

...accounts of their ferocity in the very surroundings in which they watched plays that referred to them. Falkner, ‘a ruffian’ in Sir Thomas More (1590s) swears, ‘’Sblood, if all the dogs in Paris Garden hung at my tail, I’d shake them off . . .’. Paris Garden was London’s popular Bear Garden. Edgar, in his Poor Tom guise in King Lear (1605) actually recites a...
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Article 10 mins
Is democracy a good thing?
Society, Politics & Law

Is democracy a good thing?

...its advantages. Among these advantages, and there are many, is that it is a mechanism for getting rid of governments without bloodshed or trauma. Churchill was right; it does seem better than the rest. However, that does not mean it is perfect. And as it is not perfect, we should take full account of Plato’s criticisms and see if anything can be done to mitigate them....
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Video 10 mins
How can we say Bitcoin is overvalued when we don't know how to value it?
Money & Business

How can we say Bitcoin is overvalued when we don't know how to value it?

...accounts for 59.4% of the total global cryptocurrency market, but at the beginning of 2016 it was 91.3%. Many of these other cryptocurrencies have more functionality than Bitcoin (such as Ethereum’s ability to execute smart contracts), or are more efficient and use less energy (such as Litecoin). Government policy, such as taxation or the establishment of national...
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Article 5 mins
How are Snapchat filters allowing survivors of sexual assault tell their stories?
Digital & Computing

How are Snapchat filters allowing survivors of sexual assault tell their stories?

...account called lovedoctordotin on Snapchat for Indian teenagers who feel they may be in abusive relationships. Omar's offered advice to journalists who use digital tools for reporting extremely sensitive stories: Look beyond the gimmicks. Snapchat at face value is about funny self portraits and emojis, but behind the filters are phenomenal algorithms. Use the technology...
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Video 5 mins
Making the conversion: How does being a Rugby World Cup host city help a local economy?
Money & Business

Making the conversion: How does being a Rugby World Cup host city help a local economy?

...accountancy firm Ernst & Young estimates that the host economies will benefit from £2.2 billion being spent. With almost half a million international visitors expected for the tournament, they predict that an extra £982m will be added to the UK’s GDP and that international visitors will spend £869m. Coming from all over the world, especially the southern hemisphere...
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Article 5 mins
How is identity data creating headaches for large companies?
Money & Business

How is identity data creating headaches for large companies?

...account passwords. Corporate victims include big names such as Yahoo, eBay and JP Morgan Chase. The volume and sophistication of these cyber-assaults will make top-level executives of firms that hold sensitive identity data anxious about its safe-keeping. Growing cost of regulation As well as cyber attacks, companies are having to contend with growing levels of...
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Article 5 mins
COP26 and the Glasgow Pact...one small step
Nature & Environment

COP26 and the Glasgow Pact...one small step

...Framework (agreed formats for accounting tables). The world’s Nations took some important steps toward limiting future global heating at COP26. I’ve worked my entire 30-year career on this topic and it is, therefore, something of a bitter-sweet moment: 25 years better later than never! [Screenshot of animation for COP26] Click on the banner to explore the COP26 hub...
View article COP26 and the Glasgow Pact...one small step
Article 5 mins