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Cold isostatic pressing
Science, Maths & Technology

Cold isostatic pressing

...system. Depending on the size of the chamber, several bags can be loaded into the space available. This is a batch process and compaction cycle time varies between 2 and 5 min. Dry-bag technique. Flexible bag is “fixed” in the pressure vessel and powder is loaded into the bag(s) without the bag having to leave the pressure vessel. The dry-bag technique lends itself to...
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Article 5 mins
How lenses and mirrors work
Health, Sports & Psychology

How lenses and mirrors work

...systems. Converging (convex) lenses and converging (concave) mirrors each cause parallel rays of light to come together at the focal point, or focus, of the lens or mirror as shown below. In contrast, diverging (concave) lenses and diverging (convex) mirrors each cause parallel rays of light to spread out as if emanating from the focal point situated at a distance of one...
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Article 5 mins
Marketing food to children and young people: Why it matters even more in the digital age
Education & Development

Marketing food to children and young people: Why it matters even more in the digital age

...systems; and urban planning and deprivation that doesn’t support physical activity or healthy food supply. In addition to all these – and interacting with them – is the promotion (marketing and advertising) of unhealthy foods in the media and elsewhere, which has been shown to increase children’s eating. From their earliest days, children recognise more unhealthy...
View article Marketing food to children and young people: Why it matters even more in the digital age
Article 10 mins
The Great Fall: A personal perspective, before and after
Languages

The Great Fall: A personal perspective, before and after

...systemic flaws and distortions had been serious, Walter grimly predicted huge losses in East Germany’s progressive social programmes now the Wall was down. As we walked around what was East Berlin Walter, then in his 83rd year, talked about the need for a radical rethink of socialist strategies, so our children and grandchildren would grow up in a better world. Those of...
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Article 5 mins
How can we address racial inequality and racial disproportionality?
Education & Development

How can we address racial inequality and racial disproportionality?

...System 2020 Update. This includes communities’ concerns about racial disparities in stop and search. In November 2020, London Mayor Sadiq Khan has launched an action plan to address concerns regarding the disproportionality of the use of police powers against Black Londoners. The action plan also outlines training for police officers and an increase in Black officers...
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Article 10 mins
The Internet at 40
Science, Maths & Technology

The Internet at 40

...system. Pioneers: Donald Davies Donald Davies, a British pioneer of the early internet, explain his key contribution to internet technology - chopping data into small packets that could be transmitted across the netwrok and recombined at the other end. Pioneers: Tim Berners-Lee Tim Berners-Lee, the inventor of the world wide web, talks about where the idea came from and...
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Audio 1 hr 33 mins
Does the US have a legal obligation to accept refugees?
Society, Politics & Law

Does the US have a legal obligation to accept refugees?

...systems, and this extends to operating a migration system in line with international non-discrimination protections. That said, a person cannot claim asylum unless they are on US soil. The executive order will generally suspend issuing visas for 90 days for Iranian, Iraqi, Libyan, Somalian, Sudanese, Syrian and Yemeni citizens under the US visa-waiver programme. An...
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Article 5 mins
What do you need to know about Donald Trump's nominee to oversee US banking?
Money & Business

What do you need to know about Donald Trump's nominee to oversee US banking?

...System, the central bank of the United States. Before I get to Quarles and his qualifications, it’s important to understand the Fed and what it does. Its decisions are vital to every person on the planet who borrows or lends money (pretty much everybody) since it has enormous influence over global interest rates. Its board of governors also influences most other aspects...
View article What do you need to know about Donald Trump's nominee to oversee US banking?
Article 5 mins