Is it true that the high-tech equipment in the sci-fi movies made by foreigners is real?

Not exactly, most of them are just special props for the movie, commonly used in some specific performance details of the screen, such as the robot at the beginning of the Terminator 2, the real way is real, but not like a real robot to act independently, it is by the controller to manipulate the movement of some simple joints. But some devices are already realized, such as the stereoscopic projection in Star Wars, which was shown by special effects at that time, and has now been developed successfully. In fact, many early science fiction movie fantasy equipment, with the continuous progress of science has now gradually become a reality. The robots mentioned just now have been developed in Japan as service robots, which can walk independently, have built-in multi-languages, and can analyze and give feedback on the questions of the people they serve. Early anti-terrorist movies appear in the thermal vision device, heartbeat sensor is now widely used. Even a lot of science fiction movies in the future of the single combat suit, such as to enhance the strength of the protection of large-scale projectile impact, tracking human health and show the degree of damage, according to the effect of the light environment to change the refractive index, synchronization of the environment, such as the color of the function has been developed and planned to put into use.