When was scuba first invented?
1943: Jacques Cousteau and Emile Gagnan invented and made an open‑circuit diving breathing set, using a demand regulator which Gagnan modified from a demand regulator used to let a petrol‑driven car run on a big bag of coal‑gas carried on its roof during war me shortages of petrol. Cousteau had his first dives with it.
Who invented air tanks?
15th century: Leonardo da Vinci made the first known mention of air tanks in Italy: he wrote in his Atlantic Codex (Biblioteca Ambrosiana, Milan) that systems were used at that time to artificially breathe under water, but he did not explain them in detail.
What’s the most common scuba diving injury?
The most common injury in divers is ear barotrauma (Box 3-03). On descent, failure to equalize pressure changes within the middle ear space creates a pressure gradient across the eardrum.