In our April issue, we feature a high-tech ocean-diving system [left] that lets you stay underwater for hours at a time. What to do while you’re down there? Try playing with the following four gadgets for the great deep sea.
Just slip this eight-speed scooter between your knees to swim around without moving a muscle. Unlike other diver propulsion vehicles, which pull you through the water as you hang on, it leaves your hands free. $2,500; tusa.com
Unexplained jitters when tackling easy tap-ins have befallen even the most legendary pros. Now, a group of scientists hopes to reveal which sections of the brain are responsible for choking
While these fins sound great on paper, they are absolutely terrible to use. I have not met one person who has tried them and liked them.