The FedEx Innovation Challenge is a social media-based competition consisting of math and science problems, scavenger hunt activities and photo ops, FedEx innovation trivia and more. See here.
The invention of modern flight allows FedEx to successfully deliver millions of packages around the world each day. Many move on board our fleet of Boeing aircraft. For this science challenge, identify and illustrate the fundamental scientific principle that makes flight possible.
— Team 4914 (@Team4914) January 11, 2015