518 search results
Leonardo's life: A timeline of genius
History & The Arts

Leonardo's life: A timeline of genius

...casts of the cavities of the heart and brain, using the lost-wax method. This involved filling the cavities with molten wax to discover their true shape. Once the wax was set, and removed from the cavity, a plaster cast was built around it. The wax was then melted and poured off to leave a mould. From the mould, a copy of the original cavity could be created in plaster....
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Article 30 mins
Engineering: The challenge of temperature
Science, Maths & Technology

Engineering: The challenge of temperature

...castings (reduction of non-uniformity of composition) Glass shattering under thermal shock Convection in a domestic water system Quenching (sudden cooling from high temperature) and tempering (re-heating to a moderate temperature to allow regrowth of crystals and thereby improve ductility) of steel The temperature dependence of resistivity demands highly uniform...
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Level 2: Intermediate 40 hrs
Nuclear transboundary consultations are a test for public participation and transparency across Europe
Nature & Environment

Nuclear transboundary consultations are a test for public participation and transparency across Europe

...casting serious doubts over the point of these consultations. The Ukrainian government still has to bring more clarity on the connection between the outcome of consultations and the decision-making processes on lifetime extensions which have already been granted in Ukraine The periodic Safety Reviews of the relevant nuclear units, the reports on safety upgrade measures,...
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Article 5 mins
Rod Stewart was a 1970s ally
History & The Arts

Rod Stewart was a 1970s ally

...cast him out, “a victim of these gay days it seems.” George travels by Greyhound Bus to New York City, where he settles down and soon meets people who are far more sympathetic, including the narrator: “He said he was in love, I said I’m pleased.” But one summer evening, as George and his new love walk home arm in arm from the theatre, they are ambushed by a New...
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Video 5 mins
The future of emojis
Languages

The future of emojis

...cast of characters? Philip Seargeant – Senior Lecturer in Applied Linguistics – explores the possibilities...Find out more about The Open University's Language Studies qualification. Emojis are a product of the digital communications revolution. They were designed specifically to help with mobile and online communication, and are also generated by this new technology...
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Article 5 mins
Creating a different world: Celebrating Ursula K LeGuin
History & The Arts

Creating a different world: Celebrating Ursula K LeGuin

...cast a shadow.” The same symbol is a powerful metaphor in the harmonious symmetries of The Left Hand of Darkness: male and female, hot and cold, fear and courage. These elements make Le Guin’s worlds less binary, less based on conflict and resolution, and more mystical, spiritual and – ultimately – refreshingly different to expected norms in science fiction and...
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Article 5 mins
Why are today's progressive political heroes still old white men?
Society, Politics & Law

Why are today's progressive political heroes still old white men?

...cast list. Speaking up This has hardly gone unnoticed. Various progressive voices from marginalised groups are demanding more than just a politics of representation: already Sanders has inspired an “army” of new political candidates that combine this commitment to progressive principles with a commitment to improving diversity within government. [Photograph of Hilary...
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Article 10 mins
Vikings - just misunderstood?
History & The Arts

Vikings - just misunderstood?

...cast by pouring this metal into moulds, which were produced by pressing existing pieces of jewellery or lead models into clay, followed by minor artistic modification. This resulted in a sort of mass-production. As this craft was dependent on high-quality brass ingots from continental Europe, specialist jewellery production centres arose at ports associated with...
View article Vikings - just misunderstood?
Article 5 mins