5 results found for energy

Converting wind power into electricity seems like an ideal way of helping to solve our energy problems. However, the power generated by a windmill is dependent on the wind speed. If the wind drops to half its speed there is as little as an 1/8th of t....

Parabolic surfaces can be used to concentrate energy for example to focus sunlight to heat things. Using an old World War II spot light mirror we demonstrate how easy it it is to concentrate enough energy to cause combustion. Finally, we show how to ....

How green are you prepared to be? Burning fossil fuel is choking our planet with carbon dioxide, but would you stop using petrol or allow wind farms to be built in your back yard? Is it finally time for renewable energy to stop being the alternative ....

George Gray has contributed fundamentally to the research and development of liquid crystal materials which comprise the Liquid Crystal Displays (LCD) that are so essential to today's information based society. He created and systematized the liquid ....

In a lively and entertaining interview, former UK Minister for Science Tony Benn discusses the interaction between scientists and politicians in an interview with Sir Harry Kroto. Benn, having spent a life-time as a leading politician closely associa....