History of decompression research and development range of commercial, military and recreational diving. The first recorded experimental work related to decompression was conducted by Robert Boyle, who subjected experimental animals to reduced ambient pressure by use of a primitive vacuum pump. In the earliest experiments the subjects died from asphyxiation, but in later experiments, signs of what was later to become known as decompression sickness were observed. Later, when technological advances allowed the use of pressurisation of mines and caissons to exclude water ingress, miners were observed to present symptoms of what would become known as caisson disease, the bends, and decompression sickness. Once it was
Rebreather Association of International Divers 6 months the learner will have to re-register. Academic material and certification are linked to the registration so, each student must register for their own class. Classes are available via an app on mobile device for both Android and IOS. RAID Technical programmes develop the diver to dive beyond recreational limits and incur decompression obligations. Open Circuit Tech Scuba Courses Professional Open Circuit Tech Courses Closed Circuit Rebreather Tech Courses Rebreather Association of International Divers The Rebreather Association of International Divers (RAID) is a dive training organization which was founded in 2007 by Barry Coleman to support diver training for