513 search results
Photochemical Machining (Photo-fabrication; Chemical milling)
Science, Maths & Technology

Photochemical Machining (Photo-fabrication; Chemical milling)

...Aluminium 115°C 20% solution of concentrated hydrochloric acid and water Copper 135°C Solutions of ferric chloride of specific gravity (SG) 1.35–1.41 Magnesium 130°C 10% solution of concentrated nitric acid and water Nickel 125°C Solutions of ferric chloride SG 1.35–1.41 or 20% concentrated nitric acid / 20% concentrated hydrochloric acid / 60% water Steels 135°C...
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Article 5 mins
How did a natural disaster take us closer to Brexit?
Languages

How did a natural disaster take us closer to Brexit?

...cast BP in the role of victim rather than perpetrator. The Telegraph, for instance, headlined: “Barack Obama’s attacks on BP hurting British pensioners.” The article continued: Barack Obama has been accused of holding “his boot on the throat” of British pensioners after his attacks on BP were blamed for wiping billions off the company’s value. The corporation...
View article How did a natural disaster take us closer to Brexit?
Article 5 mins
Structural Integrity: designing against failure
Science, Maths & Technology

Structural Integrity: designing against failure

...cast new light on the failure of Tay rail bridge in Scotland 125 years earlier; with 75 people killed, the worst ever disaster to befall a trestle bridge. This material forms part of the course T357, Structural integrity: designing against failure... Structural Integrity: Designing against failure A short introduction to this album. Kinzua's Weakest Link An engineer's...
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Audio 21 mins
How have the Conservatives overtaken Labour for the British Indian vote?
Society, Politics & Law

How have the Conservatives overtaken Labour for the British Indian vote?

...caste and even foreign policy. Corbyn’s old-fashioned social democratic model of political economy – high taxes funding an all-encompassing welfare state designed for mass wealth redistribution – is unlikely to command much support among aspirational British Indian voters. The reality is that if many had reservations over the interventionist nature of the economic...
View article How have the Conservatives overtaken Labour for the British Indian vote?
Article 5 mins
Magical Modernity in a Muggle World? Witchcraft, Spirituality and Everyday Enchantment
Health, Sports & Psychology

Magical Modernity in a Muggle World? Witchcraft, Spirituality and Everyday Enchantment

...casting a spell so that good may triumph over evil; using divination to glimpse into the future; or having the chance of one more conversation with a deceased loved one is all very appealing. Yet in our modern and rational world there’s little room for mysticism, wonder and alternative worldviews. ‘There’s no such thing as magic!’ shrieks Uncle Vernon to Harry in...
View article Magical Modernity in a Muggle World? Witchcraft, Spirituality and Everyday Enchantment
Article 10 mins
Palaeobiology: The Riddle of the Stomach Stones
Nature & Environment

Palaeobiology: The Riddle of the Stomach Stones

...the light air and act as ballast, stopping the animal floating to the surface. Hypothesis 3 - accidental ingestion Reptiles that feed on animals living on the sea floor (benthic animals) will accidentally swallow stones, gravel and sand as a consequence. In this case, gastroliths really have no function. Next: Find out what the evidence says... and reach your conclusion...
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Article 5 mins
Practising science: Reading the rocks and ecology
Science, Maths & Technology

Practising science: Reading the rocks and ecology

...sand in a desert, or volcanic lava flows, hold clues to the processes that formed them, and therefore the conditions at the time of their formation. In some cases they contain information on past climatic conditions, and some rocks contain fossils that reveal the history of life and the story of evolution. Rocks can provide a narrative of the Earth's history, but we need...
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Level 1: Introductory 14 hrs
Star Wars: May the Course be with you
History & The Arts

Star Wars: May the Course be with you

...stars or wars? Cast your vote below and pick the tab above to explore your chosen topic. [star wars stormtrooper reading a book] Stars Wars how to talk like Yoda May the course be with you You don't just have to stick with all things to do with stars and wars. Browse a range of free courses now - we've got everything from Start writing fiction to Forensic psychology....
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Article 5 mins