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Exploring family health
Health, Sports & Psychology

Exploring family health

...Working with statistical information is a key skill and the course will guide you in this through two structured activities. Activity 3 asks you to explore a website for information about family health. Again, a step by step approach is taken to guide you through this process. This OpenLearn course provides a sample of level 1 study in Health & Social Care...Exploring...
Level 1: Introductory 8 hrs
Training for endurance in sport and fitness
Health, Sports & Psychology

Training for endurance in sport and fitness

...working muscles with oxygen to supply fuel (via the aerobic energy system) for the length of the climb and prevent fatigue (cardiorespiratory endurance). Muscles will need to continually contract in order to provide propulsion, strength and maintain technique (muscular strength endurance). Using a combination of cardiorespiratory and muscular strength endurance, climbers...
You and your world: Introducing the social sciences
Society, Politics & Law

You and your world: Introducing the social sciences

...work. Video 1 provides some quick snapshots of some of the varied topics, issues and social situations that the social sciences explore. It’s intention is to stimulate your curiosity. [Music playing] [Text on screen]: The social world [Text on screen]: How is it interconnected? Cargo bike is going to lead to Langside. [Music playing] [Text on screen]: Where is...
Hammering into hearts: How Dilshod Nazarov's Rio victory lifted the Tajiks
Health, Sports & Psychology

Hammering into hearts: How Dilshod Nazarov's Rio victory lifted the Tajiks

...work, rattled the national economy to its core. The country has enjoyed few sporting achievements during a 25-year independence that began with a bloody civil war and has continued on through poverty, corruption and authoritarianism. No surprise, then, that Nazarov is being placed on a pedestal with the same pride he exhibited when he topped the podium on a sweltering...
Why we allow comments - and what we expect from you if you share your views
Get Started

Why we allow comments - and what we expect from you if you share your views

...work and opinions, responding to commenters on OpenLearn is not a condition of contributing to the site and any response is voluntary rather than compulsory. If material has been republished from a third-party source, we will perform our best endeavours to seek a response for the original author. The appearance of any comment on OpenLearn - whether yet reviewed by the...
Shot blasting
Science, Maths & Technology

Shot blasting

...work loads from 0.03 to 3 m3). Air blasting is mainly carried out in cabinet machines which can be manual, semi-automatic or completely automated. Blast nozzles are made from hard iron, boron carbide, aluminium oxide and tungsten carbide. A boron carbide liner will last 700 times longer than an iron nozzle. The cycle times required for dry shot blasting depends on the...
Article 10 mins
Why is destroying cultural sites for military purposes a war crime?
History & The Arts

Why is destroying cultural sites for military purposes a war crime?

...work that way.’ In his inimitable way, the President does raise an interesting point. How can damage to cultural sites be so bad that it is placed in the same bracket as other actions outlawed by the Laws of Armed Conflict – such as the murder of civilians or torture? The 1954 Convention does not tell us this; it only says that cultural property can be damaged only if...
Ultrasonic machining (USM)
Science, Maths & Technology

Ultrasonic machining (USM)

...work material, the most common being boron carbide. Grit size depends on cutting speed and surface finish but is usually in the range 100 µm (roughing) to 5 µm (finishing). Abrasive concentration is in the range 20–60% (low for large tools), usually in water (although oil is sometimes used for finishing). The slurry is kept at 2–5˚C using a cooler. Common tool...