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Electron beam welding
Science, Maths & Technology

Electron beam welding

...energy beam of electrons directed at the joint to be welded. Heat transfer is very localised, not by surface conduction, but within the workpiece itself, so no filler is required. Results in a narrow weld zone and HAZ. Process carried out either under vacuum, or non-vacuum...[Images to demonstrate 'Electron beam welding' - see article ] The electron beam is generated in...
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Article 10 mins
The secrets of the brain
Science, Maths & Technology

The secrets of the brain

...energy needed by the body to function. This is because it never turns off, and it spends almost as much energy when we are sleeping as when we are awake. It does different work though: when we are awake, the brain’s tasks include resolving problems, moving the body and remembering facts. When we are asleep, however, it repairs and cleans itself while also making sure it...
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Article 10 mins
Design from the inside
Science, Maths & Technology

Design from the inside

...energy absorption (which is desirable in packaging and mattresses), or strength-to-weight ratio (which is desirable in structures). Historically, the types of cellular structure that were available were limited, due to the capabilities of traditional manufacturing processes. However, the introduction of additive manufacturing (a.k.a. 3D printing) has made it possible to...
View article Design from the inside
Article 5 mins
Oxygen, blood and the body
Science, Maths & Technology

Oxygen, blood and the body

...energy. Using glucose as an energy source, the overall reaction for aerobic respiration is: C6H12O6(s) + 6O2(g) = 6CO2(g) + 6H2O(l) + energy Six moles of oxygen are consumed for every mole of glucose, and a good supply of O2 is essential to enable our cells, and bodies, to function normally. Similarly most organisms, from the smallest single-cell amoeba to the largest...
View activity Oxygen, blood and the body
Activity 10 mins
Richard Tol - Stories of Change
Nature & Environment

Richard Tol - Stories of Change

...energy, environment, and climate, and is interested in integrated assessment modelling. He is an editor for Energy Economics, and an associate editor of economics the e-journal. He is advisor and referee of national and international policy and research. He is an author (contributing, lead, principal and convening) of Working Groups I, II and III of the Intergovernmental...
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Audio 5 mins
A January detox to kick-start your year
Health, Sports & Psychology

A January detox to kick-start your year

...energy Better skin Weight loss If going vegan feels too drastic then why not try #meatfreemondays instead? An easier alternative that could become a permanent lifestyle change. To learn about your diet and health and how these are connected, below are some, articles, quizzes and courses designed to make you think about why you eat what you eat. Looking for more...
View article A January detox to kick-start your year
Article 15 mins
Small Data: Summer petrol prices
Money & Business

Small Data: Summer petrol prices

...Energy And Climate Change's weekly petrol price dataset. The price per litre is drawn from the survey on August 1st, or the one immediately prior to August 1st, for each year. Year Price pence per litre Fuel duty pence per litre VAT rate % VAT pence per litre Fuel w/o tax or duty 2003 75.1 45.82 17.5 13.14 16.14 2004 80.87 47.1 17.5 14.15 19.62 2005 89.25 47.1 17.5 15.62...
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Article 5 mins
Nouvelles mises au point
Languages

Nouvelles mises au point

...energy.. Exhibitions: Presenting abstract concepts How the museum tackles displaying abstract scientific concepts and shows the unshowable. Exhibitions: Packaging A look at the museum's temporary exhibition on packaging: why the subject was chosen, how the display is created. An interactive experience Conclusions about the importance of interactivity and what the museum's...
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Audio 33 mins