Exploring and exploiting the waterways and oceans of our planet has been an integral part of mankind's heritage for tens of thousands of years. As we forge forward into the Twenty-First Century and beyond, the oceans promise to hold their central role in the history of our species. Mankind is forever finding new ways to use these watery environments, from food to travel to energy production and living space.
| SEMI-SUBMERGED YACHTS | A radical new boat design. |
| UNDERWATER HOTELS | Luxury accomodations under the sea. |
| SURFACE EFFECT WATERCRAFT | Crossing the ocean at ten feet of altitude. |
| ARTIFICIAL ISLANDS | New ocean real estate. |
| TIDAL POWER | Harnessing the power of ocean tides. |
| WAVE ENERGY | Electricity from ocean waves. |
| SUPERCAVITATING TORPEDO | Underwater rockets riding in bubbles of vapor. |
| SEA ORBITER | A semi-submerged mobile laboratory. |
| MEGASHIPS | Ocean-going behemoths. |
| CONCRETE SUBMARINES | No, really. |
| ENERGY ISLANDS | Power from the chilly depths. |
| ARTIFICIAL GILLS | Unlimited breathing underwater. |
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