The world’s first hydrogen-powered city train indigenously developed by China rolled off the production line in Chengdu of Sichuan Province on Wednesday. The zero-carbon train, with a maximum speed of 160 km/h, can run 600 km on one fueling.
NASA has tested lofted technology that it hopes will help land humans on Mars. The full name of the mission is Low-Earth Orbit Flight Test of Inflatable Decelerator (LOFTID). The system consists of a heat shield, a probe, a propulsion system and a parachute, all of which are connected by circular tubes of air connected…
The space capsule is the simplest spacecraft to return to Earth from space. This is also called the re-entry module. Only the space shuttle and the space capsule bring the astronaut back to Earth. Now the space shuttle is off. Only the space capsule sends people back to Earth! It can be said that this…
