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From ScienceDaily: Latest Science News:
Norway's most elaborate travel-wear keeps the body cool in hot helicopter cabins, but transforms into a heat-retaining suit if the helicopter should fall into the sea.
Changes phase
The suit has been developed to help offshore platform personnel on the Norwegian continental shelf to survive should an accident occur and they fall into the churning waves below. The new suit, which has been jointly developed by SINTEF and Norwegian clothing manufacturer Helly Hansen, is tailor-made to meet the requirements of offshore platform personnel. As well as being a survival suit and providing protection against ice cold waters, the suit is customised to be comfortable during the helicopter flights to and from the platform.
"From a production perspective, people claimed that it was impossible to meet the conflicting requirements for cooling and heat insulation in the same suit," says Research Director Randi Reinertsen, a Professor of Physiology at SINTEF and head of the working group that developed the new survival suit.
"We utilized a textile that can change phase and made use of our knowledge about how cold and heat affect the human body. This enabled us to develop a suit that works in tandem with the body's own reactions to cooling and heating."
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