2,926 search results

What is a digital carbon footprint?
Nature & Environment

What is a digital carbon footprint?

...centres and networks as accounting for between 6 and 12% of total global energy use. While this is also an enormous chunk of total global energy use, there is a glimmer of hope here, because the internet industry is widely known to be advancing their switch from conventional fuels to renewable sources. However, there are nuances that we should be mindful of here, too....
The machine that is still changing the world
Science, Maths & Technology

The machine that is still changing the world

...centre of gravity resides. To tap into the higher volume segments of the 12 million units-per-year market in China it is not sufficient to move your own assembly facility there: you have to take your entire supply chain with you and also deal with local infrastructure issues before you are fully established. All of this requires considerable investment and exposure to...
Ratio, proportion and percentages
Science, Maths & Technology

Ratio, proportion and percentages

...children, this could be expressed as a percentage: 25% of the village population are children; or as a ratio: one in every four people is a child or there is 1 child for every three adults; or a proportion: the proportion of children in the village population is a quarter. This OpenLearn course provides a sample of level 1 study in Mathematics...Ratio, proportion and...
Level 1: Introductory 5 hrs
Can renewable energy sources power the world? Badge icon
Science, Maths & Technology

Can renewable energy sources power the world?

...Research Centre at Ispra, Italy, has produced PVGIS (PV Geographical Information System), an online tool giving solar radiation data and estimated PV outputs for Europe, Africa and parts of Asia. Users can input the geographic location, type of module, its power rating, array orientation etc., and the software will calculate the expected monthly and annual energy yield...
Travelling for culture: the Grand Tour
History & The Arts

Travelling for culture: the Grand Tour

...children, might have compared to those of the typical male Grand Tourist. In this free course, you’ll have the opportunity to explore some of these questions, and to gain an introduction to the Grand Tour. The course also provides a snapshot of how our study of this historical and cultural phenomenon can be conducted through different disciplines in the Arts and...
Some merits of Manchester
History & The Arts

Some merits of Manchester

...centre or terminal in England, and it is never to be found quite bad, though of course it is sometimes better and sometimes worse. It is hard to know if it is more hotel or more station; perhaps it is a mixture of each which defies analysis; but in its well-studied composition you pass, as it were, from your car to your room, as from one chamber to another. This is...
Dance skills
Education & Development

Dance skills

...centre of gravity for a dancer is in the pelvis, just below the navel. It is important to try to keep the line of gravity within the base of the support to help the body's stability. The body is more stable when the centre of gravity is lower and the base of support larger. However, dancers usually want to balance on precariously small supports, such as the ball of one...
Level 2: Intermediate 12 hrs
Virtual reality, 19th Century style: The history of the panorama and balloon view
History & The Arts

Virtual reality, 19th Century style: The history of the panorama and balloon view

...centre of the view, the frame was dissolved. No longer was the experience of landscape representation mediated by the baroque perspectival constructions of traditional city views. The visitor was invited to encounter the landscape directly. Of course, this was still an image, but every effort was made to support the illusion that the visitor had been transported to the...