Imagine a massive high-tech helium balloon that stretches well over an NFL football field in length, has more cargo capacity ...

In 1825 Jacob Perkins, of Massachusetts, after he took up his residence in England, patented a plan for propelling ... Every one of the Atlantic propeller ships, the only really well tried and ...

Announcing the change of plans, Fleet Commander Vice Admiral ... “The issue identified is with the ship’s shaft couplings. The ship’s propeller shafts are too big to be made from a single ...