The bomb was one of countless pieces of unexploded ordinance (UXO) buried in the ground in Laos and numerous other locations across the globe. UXO poses a serious danger to people, in many cases, decades after it is dropped. For several years, Bechtel has been working with an international team of scientists to address the problem. The team has developed a holographic sensor that identifies buried landmines, and was recently selected as one of 27 groups to exhibit research at the Royal Society of London's 350th Anniversary Festival of Science. Read more