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IT: device to device communication
Science, Maths & Technology

IT: device to device communication

...work with numbers expressed in scientific notation, and use the Windows calculator to perform calculations on these numbers...IT: device to device communication: 1.1 Getting an overview - This section starts with an article from a technical journal – the sort that is read by academics and professionals working in a related technical field. It sets the scene for some of...
View course IT: device to device communication
Level 1: Introductory 20 hrs
Are robots about to take jobs from the poor?
Science, Maths & Technology

Are robots about to take jobs from the poor?

...work, with “nothing less than a global New Deal for a digital world,” as called for by Ben Ramalingam of IDS? Certainly the day was filled with calls for visionary thinking: “This is an opportunity to reimagine how economies are structured and we should not lose out on that opportunity,” said Anne Jellema, CEO of the Web Foundation. Beximco has flourished partly...
View article Are robots about to take jobs from the poor?
Article 5 mins
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...
View article Why we allow comments - and what we expect from you if you share your views
Article 5 mins
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...
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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...
View article Why is destroying cultural sites for military purposes a war crime?
Article 10 mins
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...
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Article 10 mins
Hot forging (open die)
Science, Maths & Technology

Hot forging (open die)

...worked before further deformation. This includes the Ti-6Al-4V alloy, which has excellent forgeability. Initial ingot breakdown is done just above the β transus temperature. Any further forging is done between the α and β transus temperatures. Design: A wide range of sizes, shapes and properties are available to the designer. Open die forging design is dependent on the...
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Article 5 mins
The history of Blaenau Gwent
History & The Arts

The history of Blaenau Gwent

...working class identity and community solidarity. The fact that these events feature so prominently in the timeline suggests an ongoing commitment to the left-wing politics that shaped them. The importance of women as lynchpins of community, especially in times of adversity, is also highlighted. The final slide looks at the Six Bells Guardian, a memorial to those who lost...
View article The history of Blaenau Gwent
Article 5 mins