Correspondent photo / Sean Barron Megan McCloskey, a Youngstown State University junior and mechanical-engineering major, launches a small gliding plane she helped design. She was among about 50 ...

As a general rule, if you want to make a vehicle more fuel-efficient, you do everything you can to make it lighter. For planes, that usually involves using space-age composites to build the fuselage ...

Building an underwater remotely operated vehicle (ROV) is always a challenge, and making it waterproof is often a major hurdle. [Filip Buława] and [Piotr Domanowski] have spent four years and 14 ...