The ocean is a very serene environment and it is extremely relaxing. It is not only the sand and the sun that make it relaxing; it goes beyond the surf into the deep blue sea. However, no sea exploration would be possible without self- contained underwater breathing apparatus’, or scuba diving.
Scuba diving, nowadays, consists of no heavy metal suit, but instead gas cylinders and an air hose, which provides the divers with great mobility underwater. This type of underwater exploration, however, was not heard of until around the 18th century, where early diving history takes place. In 1771, a British man named John Smeaton invented the first air pump, which was connected to a diving barrel filled with air, which today would be a gas
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