Marine

The largest ship ever powered solely by a kite in U.S. waters — a 308,000-lb. barge — recently glided across San Francisco Bay as part of the second annual Family Day Kite Festival.

Researchers at the University of Colorado at Boulder designed an underwater vortex generator

Student-built submarines vie for bragging rights in this year’s international robotics competition.

Although no longer used for passenger transportation, airships or blimps still fly, mainly for advertising and sightseeing.

The new E2-D Hawkeye gives the Navy a more advanced early-warning radar and an important node in the net-centric warfare it wants to wage in the 21st century.

The Spider — an underwater ROV (remotely operated vehicle) — uses a 3D model of the sea floor to manage its telescoping arm and thrusters while operating 1,000 ft below the surface.

Balanced on his small kiteboard, Swedish kitesurfing champion Christian Dittrich brings his audience to its feet when he pilots his way into the power zone.

Researchers at the University of Southampton turned an electric motor upside down to create a more efficient generator.

The SeaBreacher, a fully submersible watercraft, can dip just below the surface and then jump clear out of the water, perform multiple roll overs and mid-air roll overs, and can plane at 30 mph with the canopy fully open.

Durobal bearings work for high-speed, low-load applications.

A propeller hub isolator virtually eliminates noise, vibration, and harshness effects perceived as "shift clunk" when boat pilots shift engines into gear.

The universal Mate-N-Lok connectors are now available for sealed-bulkhead applications.

Throttle controls on ships and tankers traditionally employ a relay signal to a device in the engine room that actually controls fuel flow and how fast the ship's engine turns.