1,208 search results
Why do volcanoes erupt?
Science, Maths & Technology

Why do volcanoes erupt?

...physical processes occurring within a plinian eruption column make it convenient to describe it in three parts. [Ejecta] A plinian eruption column, showing the gas thrust region, the region of convective ascent, and the umbrella cloud. In the lower part of the column, fragments are driven upwards by the force of expanding gas in the conduit. This is called the gas thrust...
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Article 15 mins
Impossible Peace 2: The bunker in the peace
OpenLearn Ireland

Impossible Peace 2: The bunker in the peace

...physical transition to demilitarise police buildings and vehicles. In 2025, police officers feel burnt out, disillusioned and undervalued. If you listen, there is a reminder that in his report on reforms, more than 25 years ago, Chris Patten pointed out that policing means more than just the police. It is about how you depoliticise policing in a place where politics can't...
View article Impossible Peace 2: The bunker in the peace
Article 5 mins
How to read a rock
Science, Maths & Technology

How to read a rock

...physical properties. A few minerals occur as single elements, like nuggets of gold, crystals of diamond (composed of carbon), and sulphur found in volcanoes. Most minerals though, are compounds, i.e. different combinations of different elements, just like words are various combinations of different letters. The mineral quartz (SiO2) is quite a simple word, just made up of...
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Article 10 mins
Ethics in science?
Science, Maths & Technology

Ethics in science?

...physically similar as far as possible and also appeared to be affected by scurvy to a similar level. He also ensured that, with the exception of the experimental treatment, the sailors had the same diet and were kept in the same area of the ship. In addition, in the 1700s, all sailors would have been male so sex would not affect the results. With the knowledge available...
View course Ethics in science?
Level 1: Introductory 3 hrs
The body in antiquity
History & The Arts

The body in antiquity

...physical things around you that have played a part in those things: furniture, tools and infrastructure. Jot down some notes for each of these on how they relate to the culture in which you live. Think about how your environment has determined how you go about certain things, and even whether you go about them at all. Discussion Most of you will have woken up in a bed....
View course The body in antiquity
Level 3: Advanced 5 hrs
Disraeli on Munich
History & The Arts

Disraeli on Munich

...physical civilisation has advanced in an unprecedented degree, and the application of science to social life has diverted the minds of men from other pursuits, the Fine Arts have decayed and vanished. I wish to call the attention of my countrymen to another great movement in the creative mind of Europe; one yet young and little recognised, but not inferior, in my opinion,...
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Article 5 mins
Early widowhood: navigating a way through grief
Health, Sports & Psychology

Early widowhood: navigating a way through grief

...physical pain, deep in my core – like a knife being twisted. Also, I feel it in my throat – like my airway is closing – then the tears come. It’s like a mini volcanic eruption. I sometimes feel lost – like I have been in an accident at sea, and I am all alone, clinging onto driftwood, waiting to find safety. This whole experience has taught me that with great...
View article Early widowhood: navigating a way through grief
Article 5 mins
Demolishing Pasts, Uncertain Futures:The Symbolism of Glasgow’s Red Road Flats
Society, Politics & Law

Demolishing Pasts, Uncertain Futures:The Symbolism of Glasgow’s Red Road Flats

...physical destruction of high-rise blocks: the Red Road Flats were not only an important feature on Glasgow’s urban skyline or topography, they represented important elements of Glasgow’s working class folklore – as did life in ‘the schemes’ more generally. The housing at Red Road was of generally of poor quality and had been badly maintained yet in its early...
View article Demolishing Pasts, Uncertain Futures:The Symbolism of Glasgow’s Red Road Flats
Article 15 mins