Search

...free energy. This album explores the various ways in which innovative technologies - such as wind-farms, heat exchangers, photovoltaic panels and combined heat and power plants - provide the opportunity to revolutionise energy markets and turn whole communities and districts green. One town in Holland is a good example of a “suburban energy island”, where the...

...course, you can save a lot of money by buying things second-hand from magazine adverts or the internet. Ann Bonell, President of Leicester Astronomical Society, has this advice for first-time buyers: "Before purchase, test the binoculars by focusing on a distant object such as a TV aerial. If the binoculars are OK, you should see a perfect image with no double imaging or...