South China Morning Post published this video item, entitled “Self-powered soft robot developed by Chinese scientists reaches world’s deepest point” – below is their description.
A bionic robot developed by Chinese scientists recently reached a depth of 10,900 metres (35,761ft) in the Mariana Trench, the world’s deepest point in the western Pacific Ocean. The design mimics deep-sea snailfish, whose bones are finely distributed in a gel-like body to resist high pressure in the deep sea. Researchers from Zhejiang University in Hangzhou used polymer to create a soft artificial muscle for the robot. The self-powered autonomous robot operates on lithium batteries and comes with controlling chip circuits in its belly. The achievement made the front cover of the prestigious scientific journal Nature on March 4, 2021.
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About This Source - South China Morning Post
The South China Morning Post (SCMP), with its Sunday edition, the Sunday Morning Post, is a Hong Kong-based English-language newspaper founded in 1903. It is Hong Kong’s newspaper of record, owned by Alibaba Group.
China is the third largest country in the world by area and the largest country in the world by population. Properly known as the People’s Republic of China, the political territory of the country includes the former nations of Tibet and Hong Kong. The capital is Beijing.
The Mariana Trench is the deepest oceanic trench on Earth.
It is located in the western Pacific Ocean about 200 kilometres (124 mi) east of the Mariana Islands. The maximum known depth is 10,984 metres (36,037 ft) (6.825 miles) at a point known as the Challenger Deep.
If Mount Everest were placed into the trench at this point, its peak would still be under water by more than two kilometres (1.2 mi).
At the bottom of the trench the water column above exerts a pressure of 1,086 bars (15,750 psi), more than 1,071 times the standard atmospheric pressure at sea level. At this pressure, the density of water is increased by 4.96%. The temperature at the bottom is 1 to 4 °C (34 to 39 °F).
In 2009, the Marianas Trench was established as a United States National Monument.
Microbes have been found within the mud at the bottom of the trench.
The Pacific Ocean is the largest and deepest of Earth’s oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean in the south and is bounded by the continents of Asia and Australia in the west and the Americas in the east