Diving like a fish!
http://www.isracast.com/Articles/Article.aspx?ID=63
It basically presurizes the air out of the water and - combined with a closed circut rebreather - can allow you to dive without the bulky tanks.
Still in development, so don't expect to see it anytime soon. Plus the battery only lasts about an hour, so right now there's not much advantage.
An Israeli Inventor has developed a breathing apparatus that will allow breathing underwater without the assistance of compressed air tanks. This new invention will use the relatively small amounts of air that already exist in water to supply oxygen to both scuba divers and submarines. The invention has already captured the interest of most major diving manufacturers as well as the Israeli Navy.
It basically presurizes the air out of the water and - combined with a closed circut rebreather - can allow you to dive without the bulky tanks.
Still in development, so don't expect to see it anytime soon. Plus the battery only lasts about an hour, so right now there's not much advantage.
