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Laser beam welding
Science, Maths & Technology

Laser beam welding

...Out gassing of zinc prevents good welds Beryllium copper: Alloys with higher percentages of alloying agents weld better due to lower reflectivity Copper: High reflectivity causes uneven welding. Materials less than 2.5 mm thick may be coated to enhance weldability Hastelloy-X: Requires high pulse rate to prevent hot-short cracking Kovar: Presence of phosphorous in...
Ion implantation
Science, Maths & Technology

Ion implantation

...out on virtually all ferrous and non-ferrous materials, but it is presently used mainly for steels and cemented carbides. The process can be readily applied to components which already have a surface coating, such as chromium plating. Material costs are low due to the small amounts used, thus enabling expensive materials, such as noble metals and rare earths, to be...
Parlez-vous Eurovision?
Languages

Parlez-vous Eurovision?

...language when everyone else speaks English?” In the case of Eurovision it does indeed feel like everyone else does speak English. There's every chance that a song in English will win the final tomorrow, meaning that out of 60 Eurovision contests, half of them will have been won by songs in the English language. It seems that English is the language of pop after all....
What is the 2015 Autumn Statement all about?
Society, Politics & Law

What is the 2015 Autumn Statement all about?

...Out of balance There’s a second major reason why the fiscal deficit has been hard to reduce. The public sector will inevitably be in deficit at times when the country is importing more than it can export (running a current account deficit) and when the private sector is investing less than it saves. Over the past five years the UK has continued to run its traditional...
No place like home: Prisons and homelessness
Society, Politics & Law

No place like home: Prisons and homelessness

...out of place’ – to be estranged and Othered. Estrangement entails removing someone from their previous life. It is to be shifted from familiarity to strangeness and to be re-assigned to a new devalued status. Estrangement is premised on the process of being forcefully made stranger from that which was previously inhabited as home. Prisons are institutions of...
Darwin explores the Sierra de la Ventana
History & The Arts

Darwin explores the Sierra de la Ventana

...out our meat over the fire of thistle-stalks. The strange aspect of this mountain is contrasted by the sea-like plain, which not only abuts against its steep sides, but likewise separates the parallel ranges. The uniformity of the colouring gives an extreme quietness to the view,—the whitish grey of the quartz rock, and the light brown of the withered grass of the...
What does the French regional election result mean?
Society, Politics & Law

What does the French regional election result mean?

...out of 22 regional assemblies off the back of a tide of anti-Sarkozy feeling. François Hollande then went on to take the national presidency in 2012. Since then, though, the left has been routed at every turn. The Republicans (formerly known as the UMP) and their centrist allies in the Union des Démocrates et Indépendants have staged a recovery but, most spectacularly,...
Death is inevitable: But do you need to plan for it?
Health, Sports & Psychology

Death is inevitable: But do you need to plan for it?

...in one step and you can change your decisions over time if you want to. Watch the video to find out more about people’s experiences and thoughts with end of life planning. Further information about end of life care planning: Planning Ahead by Dying Matters End of Life Care by NHS Talking about End of Life Planning by Independent Age Advance Care Plan by Willen Hospice...