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An aquascope (also called bathyscope) is an underwater viewing device. It is used to view the underwater world often from dry land or a boat. It eliminates the water surface glare and allows viewing as far as water clarity and light permit. The underwater viewer can be used for observing reefs, checking boat moorings, secchi disks and other ...
The Aquarius Reef Base is an underwater habitat located 5.4 mi (8.7 km) off Key Largo in the Florida Keys National Marine Sanctuary, Florida, United States.It is the world's only undersea research laboratory and it is operated by Florida International University.
Underwater diving is practiced as part of an occupation, or for recreation, where the practitioner submerges below the surface of the water or other liquid for a period which may range between seconds to order of a day at a time, either exposed to the ambient pressure or isolated by a pressure resistant suit, to interact with the underwater ...
Underwater vision is the ability to see objects underwater, and this is significantly affected by several factors. Underwater, objects are less visible because of lower levels of natural illumination caused by rapid attenuation of light with distance passed through the water. They are also blurred by scattering of light between the object and ...
Eilat's Coral World Underwater Observatory is a public aquarium, park and conservation center located in Eilat, Israel. It is the biggest public aquarium in Israel, and it hosts over 800 species. It was founded in 1974 and was the first of its kind. The park and aquarium is located to the south of Eilat's Coral Beach nature reserve.
In 1992 the National Association of Underwater Instructors (NAUI) became the first mainstream US agency to accept IANTD qualifications, and the Sub-Aqua Association (SAA) became the first UK agency to recognise IANTD certifications in 1993. In 2000, IANTD introduced a free-diver program prepared by Divetech Ltd of Grand Cayman. [3]
HY-119 refers to a Chinese underwater navigation and communication system," Dizon said. "It has an antenna and an eye that can be used for viewing. Based on our research, this can be used for ...
"Forests Underwater" by Takashi Amano is a tropical freshwater aquarium at the Lisbon Oceanarium that features a diverse underwater landscape. The aquarium is 40 metres (130 ft) in length and holds 160,000 litres (35,000 imp gal; 42,000 US gal) of water, and houses more than 10,000 individual fish of 40 different species.
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