Diving

AQUA, an underwater swimming robot, has been adapted to take commands visually instead of via an umbilical cable.

Dutch luxury submarine manufacturer U-Boat Worx has announced its new C-Explorer line of exploration submersibles certified for diving to depths from 100 to 1,000m (328 to 3,280-feet).

The Seabreacher X is preposterous in theory – a boat shaped like a shark – but in practice it's an adrenaline machine that can do things no other watercraft can, like barrel rolls and 12-foot leaps.

The VS335 Third Lung system is a variable-speed electric diving air pump, that adjusts its air output based on the diver's breathing.

The Seabreacher is a two-seater, fully-submersible watercraft that was modeled on a dolphin.

Liquid Image has seriously upgraded its range of camera scuba masks with the introduction of its HD Scuba Series. The mask gives divers a simple to operate, hands-free tool for tak

Can a hunting knife stop a shark or a marauding brown bear as a last resort? WASP claims its Injector Knife can stop the biggest foes dead in their tracks at close range where it really matters.

February 3, 2006 Air and water are two of life's staples - interestingly, two of the best ideas we've ever written up involve both. Airwater machines extract

October 27, 2005 NEW IMAGES UPLOADED The Surf Shark and the Electric Dolphin are electric aquatic vehicles with a difference – instead of holding onto them a

Both units weigh approximately 1kg and the closest a shark is likely to approach a user equipped with the dive unit under normal conditions is 4-5 metres, with

From two-man sport-subs to luxurious ocean-going monsters, the private submersible marketplace is opening up the World's last great bastion of exploration. Once

Down waves, skimming across the surface or diving underneath the water - Delfjet is a remarkable surfing device designed to allow humans to emulate the motions