If you want to go that fast on water, Super Boat International runs a series of races, like IndyCar, but with high-speed “cigarette” boats. If meandering under the surface is more your thing, diving shipwrecks with New York-based Mad Dog Expeditions (sometimes with man-eating with sharks all around) and "flying" in the ocean in Sub Aviator Systems personal submarines are equally thrilling options.

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For nearly 50 years, conventional manned deep submersibles have operated on the principle of a free balloon or blimp (powered balloon). Buoyancy is normally provided by a plastic matrix material filled with glass microspheres, each containing
a bubble of air.

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Fish swam over my head and a landscape of rocks, trees and debris appeared between my feet. In the depths I saw the roots of a Jefferson pine some 2,0...

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Anne Doubilet has discovered the secret of eternal youth: investigating the underwater world. Eve MacSweeney reports.   There are worse ways to...

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Who hasn’t stuck their hand out the window of a fastmoving car, angled their flat palm and formed fingers up and down, and marveled at the unexpected force of the air-stream? This simple deflection plane is the basic principle behind the control surfaces or ‘airfoils’ of conventional aircraft and, with a much different degree of density and viscosity, those of military submarines. Remember, though, that water is some seven hundred times denser than air. Stick your arm and hand out the ‘window’ of an underwater vehicle moving 50 miles per hour and you may well lose the whole grasping assembly!

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Sleek, fast, maneuverable, and sophisticated, the Super Sub Aviator submersible has been gaining a great deal of attention since first launched as the...

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After her first flight, Anne (Doubilet) sent me an email that carried her enthusiasm and vivid engagement in life along with words. She has spent long...

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Mote's very own "Shark Lady" celebrated her 87th birthday 200 feet underwater, gliding about as deftly as her namesake. Dr. Eugenie Clark, Mote's foun...

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Strap into the five-point racing-car harness. Go through the pre-flight. Check the flaps and rudders. Test the throttle. Adjust the oxygen in your coc...

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