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Climate change, which leads to the loss of Arctic sea ice, is the leading threat to polar bears.
N2-Bomb is a floating ice maker dropped from an aircraft by parachute, which could manufacture synthetic ice masses to provide some safety that polar animals might enjoy the fulfillment of their basic need to survive.
When N2-bomb fell into the sea. It would detect the environment and activate the process of making ice.
Slowly release liquefied nitrogen into the seawater to make the floating ice.
Shao-Wei Huang Chung-Kai Chiang Chen-Hsin Lin Chen-Hsun Huang