Yes, extremely thick plate glass has been used for windows, and glass is also utilized for external cameras.
Shallow diving submarines are used for reef watching in many parts of the world.
Most pleasure submarines are either personal watercraft with limited diving capability, or tourist submarines with limited depth capability.
A bathyscaphe is a self-propelled deep-sea diving submersible used for exploring the ocean depths.
It can do to a depth of 200 feet.
goggles and snorkel or an oxegen tank used for deep sea diving
They were only capable of going about 50-80 feet under. They were mostly used for spying.
During WW2, all the major countries involved used submarines.
The term for underwater diving is "scuba diving," which stands for Self-Contained Underwater Breathing Apparatus. This activity involves using specialized equipment to breathe underwater, allowing divers to explore marine environments. Other forms of underwater diving include free diving, which relies on breath-holding, and saturation diving, used in commercial and deep-sea operations.
They were used by submarines to navigate when not in open waters, They were also used by submarines and anti-submarine ships to locate enemy submarines.
Submarines todaee are used for underwater exploration,funn,new life underwater.
Nuclear energy is used to power most modern submarines
The old diving suit, or standard diving dress, was typically made from heavy canvas or rubberized fabric to provide durability and waterproofing. The suit featured a helmet made of brass, which was bolted onto the suit and equipped with a glass faceplate for visibility. Inside, it had a weighted belt for stability underwater, while a supply of air was provided through a hose connected to the surface. The materials were chosen for their ability to withstand the pressures of deep water and to protect divers from the harsh underwater environment.