Sitting on the earth watching space, whether it is staring at the big screen in the museum theater, or wearing a virtual reality helmet at home, although exciting, but more attractive is to find a way to space. The most innovative idea at the moment is the space elevator – bringing us into space through a huge lifting tower.
According to the Physicist Organization Network, the 2015 Space Elevator Conference 2015 will be held this month in Seattle, USA. Scientists are considering materials and designs in space elevators as an alternative to rocket technology. The space elevator is like an orbital lifting platform, letting the tram run on it, carrying a load of about 10 tons back and forth.
Recently, a Canadian space company called Thoth Technology received a space elevator patent approved by the US Patent and Trademark Office. The company's engineers say the technology promises to save more than 30% of the fuel for traditional rockets, bringing spacecraft and people to the atmosphere to a certain height and then launching less power. The elevator inventor and professor of New York University's La Soude School of Engineering, Brand Quinny said: "The aerospace plane can use the elevator tower as a first-level platform, fly into the orbit from above, and return to the top of the tower to refuel. fly."
The space elevator will reach 20 kilometers above the ground and is designed as a stand-alone space tower. Most of the technology used is currently available. For example, its beam structure is filled with helium by Kevlar aramid-polyethylene composite. This type of cylinder is lighter and much wider than modern building materials, and helium also helps support the structure.
According to the patent document, space elevators can transport loads to at least one platform above the ground or in separate compartments for space launch purposes; they can also transport equipment, personnel and other objects for scientific research, communication and travel purposes. The lifting platform will be further upgraded to provide direct access to altitudes of more than 200 kilometers using the gravitational potential of low-earth orbit. In response, an article in the American business magazine Fast Company commented: "This is technically feasible, but it may be too complicated to implement."
Eric Mark, CNET editor of the technology website, said: "Technically, it has not become easier to enter space in the past half century. It still has to use a huge rocket to generate enough thrust to push the load out of Earth's gravity. In contrast, space elevators use a "simpler technique against gravity to get into space."
Through the helium-filled pipeline, the spacecraft first pulled up to the 20,000-meter-high platform and then took off. The idea is not new, but it is “hard to climbâ€. The key is what materials are used, light and strong. You know, there is a gust of wind in the air, and occasionally a group of birds. The film structure has to withstand all of this, and it has to carry a launching platform to make people sweat. If it can be achieved, then we must usher in a space tourism era; the space shuttle will defeat the rocket and become the mainstream again.
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