Zyra info //// Zyra //// CATEGORIES //// Nautical //// Water //// site index
Underwater - Sub Aqua
Submarine and underwater resources
Scuba Store US
Deep Blue Dive
Testing of watches down to a depth
Boston Sub Aqua Club
The famous Olympic freediver with "You can do it!" spirit!
(Interviewers have stopped asking Tanya to hold her breath for six minutes on shows, because although she can do this, they can't fill in the time with chit-chat for that long!)
Atlantis Adventures - tourist exploration of coral reefs by submarine
British Society of Underwater Photographers
Hunting iguanas underwater
System for preventing Shallow Water Blackout
Underwater? Also see Underground
The speed of sound is four times as fast in water as it is in air. There are other reasons why there's seldom mention of supersonic submarines.
More items of a sub-aquatic nature will be added soon!
More URLs and contacts round the world required!