Almost all the minerals available on the Moon are also present on the Earth in sufficient quantities that mining them on the Moon and transporting them back is not economical. As a result, most discussion of mining on the Moon is geared towards how to make a lunar base self-sustaining, not how to make it an economically viable alternative to terrestrial mining. http://bit.ly/IeyKWF

Aviation has come a long way so far. Starting from Leonardo da vinci to Peoples like Henry Cavendish, Montgolfier Brothers, Sir George Cayley, John Stringfellow, Francis H Wenham, Otto Lilienthal, The wright brothers and many others contributed a lot.. http://goo.gl/2HBEJ

‘iOS 5’ Makes The iPad Truly Magical by Magician Simon Pierro. http://goo.gl/82SO4