Hennigan, W.J. MoonEx aims to scour Moon for rare materials. Los Angeles Times. 2011-08-20 [2011-04-10]. MoonEx's machines are designed to look for materials that are scarce on Earth but found in everything from a Toyota Prius car battery to guidance systems on cruise missiles. ... The company is among several teams hoping to someday win the Google Lunar X Prize competition, a $30-million race to the Moon in which a privately-funded team must successfully place a robot on the Moon's surface and have it explore at least 1/3 of a mile. It also must transmit high definition video and images back to Earth before 2016. ... should be ready to land on the lunar surface by 2013.