Many years ago, I saw a movie. That movie is about there is problem with earth’s magnetic field and some people have to go close to the center of the earth to fix this problem. In the movie, the vehicle that went under the earth was able to accommodate about five people and it used laser to clear away its obstacles. It did not specify where the energy of laser came from. Is it really possible to go to the center of earth? If we do, can we get back up the surface? We already spend tons of energy just trying to get to the orbit with gravity and air resistance go opposite direction of the loads. If we get to the center of earth, we probably should take the same way back up. So far no laser is powerful enough to enable us to evaporate any things in the way. The power source of the laser is a problem also. Maybe after we can harness antimatter energy, we can try to make a thin and long remote rod that drills into the center of earth with cameras. The material of the drill is a problem; can it drill well enough for cameras is also unknown. We may need to find a special path and yet the special path may not show us what we want to explore for. Many movies show some people go to the inner of the earth and see dinosaurs but we do not know what is really down there. Why should we go down there? I will say because of our curiosity. Is there really a hell down there? Are there tons of molten rocks and metals? I heard of the idea of making an elevator to orbit with nanotechnology material as its outer tube and use laser as the power source for the elevator. The tube material can’t be made now because recent technology can’t provide enough concentration of certain material. Maybe some other people can figure out how to get to the center of earth. A trip would be nice. An elevator to there is even better. I would not say it is impossible to get there but we also need to aware not to collapse anything on top after we can do so.
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