2,563 search results

Hot isostatic pressing (HIP)
Science, Maths & Technology

Hot isostatic pressing (HIP)

...changes. Typical examples are Ti-6Al-4V, 900˚C; Al-7.5Si-0.5Mg, 500˚C; Fe-16.5Cr-4.5Ni-4Cu, 1200˚C. Times at temperature vary with component size, material and pressure, but are of the order of 1–4 h. Pressurising medium is a high purity inert gas, usually argon, which is cleaned and re-used. Cooling is by means of internal heat exchangers and takes approximately 1 h...
How lenses and mirrors work
Health, Sports & Psychology

How lenses and mirrors work

...change the path of light - and what effect do their shapes have?...A surface which is the same shape as a small portion of a sphere is called a spherical (or more correctly spheroidal) surface. Surfaces with this shape have a special optical property which makes them highly valuable: their ability to bring light to a focus. Actually, the focusing properties of a...
"I was so depressed yesterday..." - or were you?
Languages

"I was so depressed yesterday..." - or were you?

...change through use. Depending on how, when and by whom words are frequently used they can acquire new associations or entirely new meanings. A good example is: if I tell you that ‘A friend of mine went through something recently’ would you expect their experience to have been positive or negative? The chances are you’ll think they had a rough time. There is nothing...
Blockchain in Education
Digital & Computing

Blockchain in Education

...changes? Read this article by Professor John Domingue and Doctor Alexander Mikroyannidis to start exploring the possibilities of blockchain in education...The challenges of traditional education models The centralised education model of the present is no longer sustainable: learning happens increasingly outside the brick-and-mortar lecture halls of schools, colleges, and...
Making connections in end-of-life conversations: essential tips for professionals
Health, Sports & Psychology

Making connections in end-of-life conversations: essential tips for professionals

...changes. Maintain an open mind and attitude. Health and social care professionals need to be open to the social and cultural diversity of patients and be aware of how information can impact the patient and the patient–family dynamics. Good communication is not just about the words. Health and social care professionals can forge stronger and more supportive connections...
Design Essentials: are you sitting comfortably?
Science, Maths & Technology

Design Essentials: are you sitting comfortably?

...change the world. One school, modernism, laid the foundation for machine-inspired design. Protest, provocation and social responsibility: Gerrit Rietveld’s Crate Chair Designs don’t just have utilitarian or aesthetic functions they can also have economic, social and political ones. Here Emma Curtis, of the Design Museum, discusses examples of designs that are driven...
Caring for an older family member with learning disabilities
Health, Sports & Psychology

Caring for an older family member with learning disabilities

...changes in the person you care for; feeling anxious about what will happen if there is a change in your own circumstances (e.g. if you become ill or when you die); being worried about starting discussions about future care with the person you care for because it might be too difficult to understand and/or might upset them; or struggling with planning for a move to living...
Learning, thinking and doing
Science, Maths & Technology

Learning, thinking and doing

...change in occupational and social practices requires continual relearning and new learning for most adults, including those with higher education. Detailed knowledge in many disciplines has a very limited 'shelf life' and thus it is much more important to leave initial and higher education equipped with the ability to learn new knowledge and skills when required. A recent...
Level 1: Introductory 16 hrs