You're underwater and you can breath. Lehner and his partner John Swanberg, who work for Northland Divers in Maplewood, Minn., have been teaching scuba at UW-RF for four years. The two also teach a scuba class at Macalaster College in St. Paul, and travel throughout the world to dive. Combined they have more than 60 years of scuba diving experience. It's just a gear intensive sport, like parachuting.
Students usually catch on pretty fast.