2,752 search results
Reaction injection moulding (RIM) and Reinforced reaction injection moulding (RRIM)
Science, Maths & Technology

Reaction injection moulding (RIM) and Reinforced reaction injection moulding (RRIM)

...systems: Property Urethane, high modulus Nylon 6 Epoxy Glass content (%) 23* 25* 45 - 52† Tensile strength (MPa) 45 52 193 - 303 Elongation (%) 14 13 – Flexural modulus at 24˚C (MPa) 2620 1896 17,927 - 25,511 Coefficient of linear thermal expansion (parallel to fibres) (× 10-6 ˚C-1) 45 52 – *1.6 mm milled glass; † continous glass. Design: Similar to injection...
View article Reaction injection moulding (RIM) and Reinforced reaction injection moulding (RRIM)
Article 5 mins
Brazing
Science, Maths & Technology

Brazing

...systems Fluorine/boron compounds 600 - 1000˚C particularly with refractory oxides Design: Joint clearance is critical, depending on brazing materials, surface condition, degree of alloying and length of joint. Recommended joint clearances vary from interference fit to 0.6 mm. Lap joints are preferred to butt joints wherever possible. Strength and reliability depends on...
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Article 10 mins
Why has Sweden tightened its borders?
Society, Politics & Law

Why has Sweden tightened its borders?

...system and a more sceptical general public. At least as important, however, are purely practical and economic considerations. The current asylum situation is unprecedented, even comparable to the Balkan crisis in the 1990s. In 2015 Sweden received a total of 160,000 asylum seekers. This was the highest ever number for a single year. In fact, it was almost twice the...
View article Why has Sweden tightened its borders?
Article 5 mins
What's the difference between a refugee, an asylum seeker and an economic migrant?
Society, Politics & Law

What's the difference between a refugee, an asylum seeker and an economic migrant?

...system. The problem with this approach is that every government in Europe is trying to do the same thing, closing their borders and passing the responsibility for asylum seekers off to neighbouring countries. The deplorable situation in Calais as well as Lesbos, Lampedusa or Ceuta and Melilla are the result of this cynical approach by British and European governments....
View article What's the difference between a refugee, an asylum seeker and an economic migrant?
Article 5 mins
Too much of a good thing? Choice challenges in sustainable clothes shopping
Money & Business

Too much of a good thing? Choice challenges in sustainable clothes shopping

...systems that are internally monitored by individual companies or industries. But how do consumers tell the difference when standing in-store? It means they have to work out whether they can best trust H&M ‘Conscious’ clothing made from organic cotton and signposted in-store by their Conscious green hang tag, as much as they can trust the Soil Association organic...
View article Too much of a good thing? Choice challenges in sustainable clothes shopping
Article 5 mins
Some of all human knowledge: Wikipedia at 15
Digital & Computing

Some of all human knowledge: Wikipedia at 15

...systems produce better quality results than closed ones. Second is the decline in the authority accorded to scientific knowledge, and the sense that scientific authorities are no longer always seen as objective or even reliable. As the authority of named experts housed in institutions has waned, Wikipedia, as a site that the majority of users believe is contributed to by...
View article Some of all human knowledge: Wikipedia at 15
Article 5 mins
Why are black and white cats black and white? And why are there piebald horses?
Science, Maths & Technology

Why are black and white cats black and white? And why are there piebald horses?

...to early cell positioning, including those that give rise to certain types of cancers of the nervous system and other debilitating diseases such as Waardenburg syndrome, Hirschsprung disease and Ondine’s curse, a respiratory disorder that is fatal if left untreated.[The Conversation] This article was originally published on The Conversation. Read the original article....
View article Why are black and white cats black and white? And why are there piebald horses?
Article 5 mins
Why EU nationals in Britain are hurrying to get one piece of paper
Society, Politics & Law

Why EU nationals in Britain are hurrying to get one piece of paper

...system to deal with a spike in applications – and to make the process less time-consuming. Theresa May has said restricting immigration will be at the heart of Brexit deal. So it is likely that the UK government will try to impose new restrictions on travel between the UK and Europe for those EU nationals without a permanent right to stay. Written proof of a permanent...
View article Why EU nationals in Britain are hurrying to get one piece of paper
Article 10 mins