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A shark at Deep Sea World. One of the main attractions is the 112 m (367 ft) long transparent acrylic underwater viewing tunnel, which is one of the longest of its kind in the world. [2] The curvature of the 6.5-centimetre (2.6 in) thick acrylic causes a de-magnifying effect on all of the creatures in the exhibit—roughly one third reduction. [3]
The submersible would usually take approximately 40 minutes to reach a depth of 1,600 ft (488 m). [5] [11] For Mallinson, this dive was additionally fatiguing, as he had spent over a day previously repairing a broken manipulator on the submarine. During the repair he changed the oxygen tank for a full one.
The ship was outfitted with two deep-sea submersibles, a helipad, laboratories, and media facilities. In 2021, the Alucia was sold and replaced [6] by the 87-meter OceanXplorer, a former oil exploration ship previously named Volstad Surveyor. It carries 4 submersibles and hosts a dive centre, a media centre, and 4 laboratories. [7]
The year of creation of the directorate is uncertain. 1963 (as military unit 90802), 1965, [9] and 1976 have been mentioned. [3] The directorate is directly subordinate to the Ministry of Defense. [10] [6] It is located separated from the normal navy bases, with its headquarters in Saint Petersburg and a naval base in Olenya Bay on the Kola ...
Developed in conjunction with the Sea Warfare and Weapons Department in the Office of Naval Research, the crane has sensors and cameras as well as motion-sensing algorithms that automatically compensate for the rolling and pitching of the sea, making it much easier for operators to center it over and transfer cargo.
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Palau was the first country to call for a moratorium, or precautionary pause, on deep-sea mining until the impact of such a practice is better understood. [62] By July 10, 2023, 17 countries had called for a deep-sea mining moratorium or pause, including Germany, New Zealand, Spain, France, Sweden, Fiji, and the Federated States of Micronesia. [63]
As fish stocks dry up, supermarkets are now offering new and strange species from the deep sea. Bizarre-looking creatures are being dragged up in vast fishing nets from depths of 1,000 metres or more. The methods used to catch them are horrifying. As the nets drag along the sea bed they rip up 100-year-old corals and sponges, destroying the ...