Therefore we used the so-called

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Still sounds like a script from a Hollywood movie, svensk företagsförening but astronauts could one day actually traveling to Mars. And the moon man already, svensk företagsförening and he magically attract many scientists and space enthusiasts. The Mars or the Moon in the future, perhaps even could exist bases from which astronauts could go on a journey to some distant goals and planets. In any case, these people would have had to spend a long time in space ships or space stations. What also bears the problem of supplying food and drink
If people in the future will want more months or even a year to survive alone in the universe, will not be sufficient oxygen, food and beverages in large quantities into the country with them. Because of all this complicated method will be transported into space, and while every extra kilogram would be an obstacle.
Therefore we used the so-called "Zaobikolni systems for survival." Already the International Space Station ISS regaining many things, for example, water from urine, svensk företagsförening which is a strong chemical processes are filtered.
ISS is still close to Earth, so many times a year can send food and everything svensk företagsförening else you need to astronauts. But if people go in the future in space research expeditions away from Earth, will have to find other ways of nutrition and oxygen supply. A and oxygen are already proizvoduva the ISS using electrolysis.
About Jens Bretschneider Institute of Space Systems in Stuttgart try to find a solution. His idea: "It is clear that while they have to use biological systems. And for that we want to use mikroalgite. They provide an opportunity to get expiratory CO2, because then produce new oxygen and thereby produce biomass .. ".
Brettschneider shows the tank with plexi-glass in which the green water and that shows a lot of bubbles. "The reservoir of this country may very well effectively grow algae. In addition, there algae are encouraged to come in contact with the light, that encourages faster growth. svensk företagsförening "And algae from these tanks are very nutritious, claims the engineer aerospace and space technology. "They can be processed in the form of a paste and mix in the dish, so that in this way the astronauts with mikroalgite can cover 20 percent of the daily need for food.
Astronauts, however, can not live only paste algae need something delicious to eat. The solution offered by the biologist Gerhild Bornemann German Center for Aviation (DLR) as follows: tomatoes or other vegetables growing in a glass tube, through which the water flows - similar to large greenhouses on Earth.
These tubes are filled with lava, which is rooted rastenijeto. Lava, however, has another function. It helps in composting waste, which is one of the goals, says biologist Bornemann, because the production of food at the same time he wants to leave less waste behind.