PostedMonday, March 9, 2015 at 3:31 PM
This video is the grand prize winner for the 2014 Engineering for You contest sponsored by the National Academy of Engineering.
See other winning videos that describe engineering and its contribution to human welfare on Youtube. The National Academy of Engineering has held this contest annually with a different theme each year. Individuals and teams compete in categories - including one for middle school students and another for high school students. Winners are usually announced in October. This 2014 grand-prize winner was selected by a panel of judges.