It has changed in many ways, from crude equipment to allow a person to breathe underwater in very shallow depths to modern equipment which allows a diver to reach great depths, relatively speaking.
Go to the Related Link to read about the History of Scuba:
Free diving is diving without scuba. Skin diving means diving without a wetsuit or scuba. Since you can free dive without a wetsuit they can be the same thing but they are not necessarily always the same thing.
Scuba health insurance is the insurance that protects you while you are scuba diving if you need any health procedures because of your diving. For example, if you were to get the bends from scuba diving, or if your lung were to rupture from holding your breath, this scuba insurance would cover it. Since paying for these procedures are very expensive "out of pocket," this means that you might not get the treatment unless you have this, or at least you could not pay it off.
Yes because due to the amount of exercise scuba diving takes, and exercise expand your lifetime. It also enhances the way you feel about yourself and your life since water is known to be relaxing and how exercising makes you look better.
The best answer is probably no. Safe scuba diving relies heavily on a knowledge of physics, gas laws and even physiology. Since it generally takes place in the ocean, it often involves marine biology. In that respect scuba is far more reliant on science than most other activities. Generally, though, scuba is a recreational activity for most divers and a vocation for others.
Since it is warmer there, many like to go and visit the beach. Scuba diving is also a popular past time.
Yes, Freestyle makes water proof watches since they have a range of watches for scuba diving.
Yeah, Anyone can do scuba phuket diving. There is no need to know about swimming. There are two types of scuba diving One is what beginners do and another is for experienced and certified ones. You just need to learn to take oxygen from the oxygen cylinder which will make you practice for half an hour before moving down the sea. Tourists are not allowed to go deeper than a certain limit since for that you need to learn swimming and you need to be certified for that.
no they have not
Nothing's changed
I have
blue ray
well i have no idea