Harbour Operability Problem News Today

To a soviet—era military craft. here is the ambition. an all—electric vessel sails out of portsmouth harbour, lifts up like a hydrofoil, then glides just above the water using the ground effect of a cushion of air between the wing and the waters surface. its being developed by an american company which claims $500 million of advance orders. seagliders are essentially a hybrid of a boat and a plain. of a boat and a plane. they fly like an aeroplane but they stay very close to the water. we so...