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...
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...
The ethics of cultural heritage
History & The Arts

The ethics of cultural heritage

...resources and qualifications by visiting The Open University – www.open.edu/ openlearn/ free-courses...Week 2: Cultural heritage in war: Introduction - In Week 1 you studied the Notre-Dame fire and explored some arguments both for and against the plans to restore it. One argument tried to justify the restoration on the basis of the economic benefits that might be...
Level 2: Intermediate 12 hrs
Caroline Underwood - Earth in Vision
Nature & Environment

Caroline Underwood - Earth in Vision

...open a dialogue and that programme was certainly used a lot in schools and universities, as do most of our shows. And in the wildlife area I think it was a series, we ended up doing three different programmes, each one building on the previous one. The first one was with Jeff and Sue Turner about the killing of wolves in Northern British Columbia, and the next time around...
The science of nutrition and healthy eating Badge icon
Health, Sports & Psychology

The science of nutrition and healthy eating

...resources and qualifications by visiting The Open University – www.open.edu/ openlearn/ free-courses. 1. Join over 200,000 students, currently studying with The Open University – http://www.open.ac.uk/ choose/ ou/ open-content 2. Enjoyed this?Find out more about this topic or browse all our free course materials on OpenLearn – http://www.......
How can you turn desert into farmland?
Nature & Environment

How can you turn desert into farmland?

...Resources Institute has raised the issues that the speed and scale of the project was possible only with low crop diversity and a potential lack of consideration of local knowledge and traditions. Single species agriculture is well known to require intensive chemical input, eroding soil health and fertility. Further to the west, Bardgett and his colleagues have begun...
Succeed with maths: part 1 Badge icon
Science, Maths & Technology

Succeed with maths: part 1

...resources and qualifications by visiting The Open University – www.open.edu/ openlearn/ free-courses...Week 2: Working with numbers: Introduction - In this week you will extend your work from Week 1 by looking at decimals again. You will also learn about powers (or exponentiation). When using all the mathematical operations you’ve studied so far, it is important to...
Level 1: Introductory 24 hrs
Preparing for your digital life in the 21st Century
Science, Maths & Technology

Preparing for your digital life in the 21st Century

...educational resources. These often rely on volunteers contributing their time, with money being provided by advertising, sponsorship or donations...Preparing for your digital life in the 21st Century: Work - Technology has changed the way that other businesses operate too. Greater quantities of information are exchanged between numerous locations over public and private...