Perhaps everyone agrees that sharing unwashed underwear with others is not ideal. However, astronaut In order to be mounted on the International Space Station (ISS) for spacewalks, it is necessary to share not only spacesuits, but also skin-friendly clothing that is worn under spacesuits and resembles long underwear called liquid cooling. There is. Ventilated garment (LCVG).
Although the ISS does not have access to freshly washed LCVG, European Space Agency (ESA) technicians have improved the antibacterial properties of LCVG materials to keep these shared garments longer, cleaner and fresher. We are taking steps to keep it. Said in a statement..
ESA researchers are collaborating with the Austrian private biotechnology company Vienna Textile Institute on a new two-year project called Biotoxic Advanced Coating Technology (Bacteria) to reduce microbial activity. Bacteria.. According to the statement, the compounds produced by these bacteria can also make the fibers more resistant to certain types of microorganisms.
Astronauts on the ISS say that unrinsed cleaning fluids and dry shampoos keep hands and bodies clean, but washing clothes, including underwear, requires too much water and is simply impossible. .. NASA.. Also, the ISS does not have enough space for astronauts to pack fresh clothes for every day of the mission.
When it comes to dirty underwear, astronauts don’t have the luxury of squeaking and can wear pairs multiple times. According to NASA, American astronaut Don Pettit wrote that he changed his underwear once every three to four days while on the ISS. And when Japanese astronaut Koichi Wakata tested a bacterial-resistant underwear cover in space in 2009, he wore a pair for “about a month.” San Francisco Times reported..
According to The Times, “Wakata did not report the effects of pungent odors after wearing the fabric within the scheduled timeline.”
When clothes that astronauts can no longer wear become dirty or smelly, Earth According to NASA, it can be trashed or encapsulated and released into space to burn out in the Earth’s atmosphere.
LCVG is worn only during EVA, but astronauts are working harder than usual when wearing this co-underwear. LCVG fits the body very well, covers the limbs and torso, and keeps the astronaut cool during the extreme physical exercises that the astronaut works in space vacuum (one hour for the astronaut). Wear an adult diaper underneath in case you need to release yourself in the meantime)-long EVA). Gas ventilation pulls moist air away from the limbs, and a flexible tube sewn on the garment circulates cooling water around the body, removing excess heat and helping to maintain a comfortable core body temperature. According to the National Air and Space Museum..
As ESA scientists were already investigating candidate materials for upgrading the outer layers of the spacesuit, this new initiative “is a small that could be useful for all kinds of spaceflight textiles, including inside the spacesuit. It helps us look at the molecules that kill bacteria, “says Malgorzata, an ESA materials engineer. Holinska said in a statement.
“It may sound counterintuitive to use the products of microorganisms to kill them,” Sedao’s Demir Fritz, a scientist at the Austrian Space Forum’s Bacterma Project, said in a statement. “But all kinds of organisms use secondary metabolites to protect themselves from extreme environmental conditions. The project considers them as an innovative antibacterial fiber finish.”
Scientists sweat new textiles, moon dust, and radiationHolynska added, to simulate conditions that can accelerate the aging and deterioration of fabrics in space.
Originally published in Live Science.
Astronauts may finally start cleaning space underwear (with microbes)
Source link Astronauts may finally start cleaning space underwear (with microbes)