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...Energy and Sustainability. ...Transport and Sustainability: Introduction - Transport has considerable environmental impacts. It creates problems of urban air pollution and greenhouse gas emissions. There is also the problem of determining who is the most important urban road user; the private car, public road transport, or cyclists and pedestrians. The ultimate energy...

...energy and gravity...[12 things to know about Einstein's theories of relativity] Source: SPACE.com: All about our solar system, outer space and exploration. This infographic was created by Space.com. Read more about 100 years of Einstein's Theory of General Relativity on their website. 12 Things to Know About Relativity Einstein’s theories of relativity revolutionised...

...energy and with the components for growth and repair. In this free course, Obesity: balanced diets and treatment, you will examine the various roles of nutrients within the body and look at the effects of nutrient deficiencies or excesses, both of which can lead to adverse health effects. This OpenLearn course provides a sample of level 2 study in Biology...Obesity:...

...energy (usually from electromagnetic radiation or light). When lanthanides are illuminated with visible light, their electrons absorb the energy contained within the incoming photons of light, and most of this energy is, in turn, emitted in the form of light within the visible and near-infrared range of the electromagnetic spectrum. In medical imaging,...