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An introduction to geology
Science, Maths & Technology

An introduction to geology

...energy. [Described image] Figure 2.6 Smelting plant The cost of the electricity used to split the bond between aluminium and oxygen in alumina makes up somewhere between one and two fifths (20–40%) of the total cost of aluminium. In fact, Al smelting plants use so much power that they are usually sited right next to power stations, in order to reduce the loss of power...
View course An introduction to geology
Level 1: Introductory 12 hrs
Developing your skills as an HR professional
Money & Business

Developing your skills as an HR professional

...energies towards those things which matter most, rather than those which matter less. Cameron (2008) gives this advice: Direct your time appropriately i.e. towards the things which are most important. Direct your energy efficiently i.e. maximise your achievements for time and energy expended. Stop wasting time. (Cameron, 2008, p. 89) Long hours and intensification of work...
View course Developing your skills as an HR professional
Level 3: Advanced 9 hrs
From sound to meaning: hearing, speech and language
Health, Sports & Psychology

From sound to meaning: hearing, speech and language

...energy of the sound is concentrated at certain frequencies of vibration. A plot of the energy of a sound against the frequency at which that energy occurs is called a spectrogram. A spectrogram for a flute's note is shown in Figure 3a. As you can see there are slim coloured bands, and black spaces in between. The coloured bands are the regions of the frequency spectrum...
View course From sound to meaning: hearing, speech and language
Level 2: Intermediate 12 hrs
Older carers, COVID-19 and physical activity
Health, Sports & Psychology

Older carers, COVID-19 and physical activity

...F.I, Katch V. L. (1996). “Exercise Physiology; Energy, Nutrition and Human Perfomance.” 4th Edition. Williams & Wilkins. Webb.E. (2020). “coronavirus risk for older people; the updated picture.” www.ageuk.org.uk Authors: Martin Penson, Jitka Vseteckova, Nichola Kentzer, Jo Horne, Mary Larkin, Alex Berry, Melinda Spencer, Abigail Methley, Phil Taverner, Martin Robb...
View article Older carers, COVID-19 and physical activity
Article 10 mins
Bridges and Buildings: The structures of the Industrial Revolution
History & The Arts

Bridges and Buildings: The structures of the Industrial Revolution

...energy resources, especially coal, and materials such as natural fibres and iron itself. One such bridge across the Dee at Chester, was made using cast iron beams. It cracked in the middle while a train was passing over, and the carriages fell into the tidal river below killing seven (Figure 4). Robert Stephenson claimed that the train hit the bridge and caused the...
View article Bridges and Buildings: The structures of the Industrial Revolution
Article 10 mins
Jonathan Edwards' giant world record leap – what can we learn from his long career?
Health, Sports & Psychology

Jonathan Edwards' giant world record leap – what can we learn from his long career?

...energy for competition and coping with pressure all need to be incrementally developed through experience. After six years of full-time training, aged 27, following disappointment at both the 1988 and 1992 Olympic Games, Edwards made the World Championships podium (bronze) having leapt 17.44 metres. Jumping a whole metre further seemed impossible at that time. Athletes...
View video Jonathan Edwards' giant world record leap – what can we learn from his long career?
Video 30 mins
A new mission to the icy moons of Jupiter
Science, Maths & Technology

A new mission to the icy moons of Jupiter

...energy? Do they have a source of water? Do they have sites where water and rock can interact? Are they the right temperature – it can’t be so cold that nothing could survive. And finally, life takes a long time to get started. Has there been enough time for the moon to become habitable? [Photograph of the surface of Europa. The grey-blue icy surface is criss-crossed...
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Article 5 mins
The Life of Saint David
History & The Arts

The Life of Saint David

...energy; but his example was more powerful than his eloquence; and he has in all succeeding ages been the glory of the British church. He continued in his last see many years; and having founded several monasteries, and been the spiritual father of many saints, both British and Irish, died about the year 544, in a very advanced age. St. Kentigern saw his soul born up by...
View article The Life of Saint David
Article 10 mins