Technical diving developed from a form of cave diving and typically involves dives that are beyond 40 meters (131 feet) deep or extend in an enclosed environment beyond 40 meters from the entry point. It involves advanced dive skills, technical diving gear, specialist training, decompression stops and the use of gas mixtures (depending on the type of technical dive).It is gaining in popularity and there are some great technical dive destinations around the world. Find out more about this unique type of diving in my latest article; Technical Diving Essentials.