3,639 search results
Manual metal arc welding (MMA)
Science, Maths & Technology

Manual metal arc welding (MMA)

...open-circuit voltages of 50–100 V. Power sources range from 30 to 500 Amps a.c. or d.c. Coated electrodes contain slag-forming ingredients (that produce a fluid coating over the weld as it cools) and gas-forming ingredients (that generate atmospheres of CO2, CO or H2 around the arc). Principal materials used in electrode coatings include: Carbonaceous material of the...
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Article 10 mins
Medicine in ancient Greece and Rome
Health, Sports & Psychology

Medicine in ancient Greece and Rome

...opening off a corridor around a square or rectangular courtyard and primarily cared for the sick, rather than those injured on the battlefield. There is still debate over whether all buildings of this shape were hospitals, or whether the rooms were storerooms. The Romans made use of home remedies, such as Cato’s universal panacea, the cabbage, for which he describes...
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Article 5 mins
A National Health Service or an International Health Service?: South Asian geriatricians
Society, Politics & Law

A National Health Service or an International Health Service?: South Asian geriatricians

...Open University's Open Degree. On 5 July every year the UK celebrates the establishment of the National Health Service (NHS) in 1948, arguably one of the greatest British achievements of the post-war years. The NHS was particularly lauded during the height of the COVID-19 pandemic with weekly clapping for those who worked there. The National Health Service has always been...
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Article 10 mins
Judicial decision making
Society, Politics & Law

Judicial decision making

...Open University course W112 Civil justice and tort law. Other OpenLearn resources: Jury Hub...Judicial decision making: Acknowledgements - This free course was written by Paul Troop with contributions from Neil Graffin, Emma Jones, Suzanne Rab, and Max Weaver. It was first published in July 2023. Except for third party materials and otherwise stated (see terms and...
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Level 1: Introductory 10 hrs
Understanding water quality
Nature & Environment

Understanding water quality

...Open University This resource was created by the Open University and released in OpenLearn as part of the 'C-change in GEES' project exploring the open licensing of climate change and sustainability resources in the Geography, Earth and Environmental Sciences. The C-change in GEES project was funded by HEFCE as part of the JISC/HE Academy UKOER programme and ......
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Level 2: Intermediate 10 hrs
Dawn Parsonage-Kent - Earth in Vision
Nature & Environment

Dawn Parsonage-Kent - Earth in Vision

...open to creative ideas, to looking at things differently, so as long as that continues then we can do some really, really powerful stuff. Hopefully Green.TV will start becoming more well-known, become more of a traditional broadcaster in a way, not in a linear, television form, but a place where people will go to catch the next shows, for instance. At the moment we’re...
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Video 30 mins
Five Inspiring Black Trailblazers from across Europe
History & The Arts

Five Inspiring Black Trailblazers from across Europe

...open Ghanian embassies across the continent. He took up a place studying medicine in Yugoslavia after a coup in Ghana sent him into exile. He had intended to return to Africa after completing his medical studies in Europe but, as often happens, love intervened. Peter met and married Karmen Laković, the couple settling in Piran. His election attracted both international...
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Article 10 mins
Exploring the icy moons
Science, Maths & Technology

Exploring the icy moons

...Education...‘Astrobiology’ isn’t a subject you can study at school. Can you tell me a little bit about your journey to astrobiology and how you arrived where you are now? By accident! Since childhood, I’ve been interested in in the big questions about where we come from, the evolution of life on Earth, the origins of life on Earth … life as a consequence of...
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Article 10 mins