Many robots must have been impressed by the robot killer in the Hollywood science fiction movie Terminator series, played by hardcore movie star Arnold Schwarzenegger. This robot made of special metallic material can be described as omnipotent. It can be "metamorphic" and can be turned into various people and objects at will. It can "shrink its weight" and penetrate narrow holes. Also "immortality", after being attacked, able to repair themselves, "dead" and resurrection ......
People may say that all this should be attributed to the writer imaginative imagination. But really just the case? In the scientist's lab, is the "Terminator" going slowly into reality?
"Stupid Meng" small things, great invention
Institute of Physics and Chemistry, Chinese Academy of Sciences researcher Liu Jing's laboratory, hidden in a magical "baby."
It appears that this bouncy little guy is like an ordinary small ball, but in fact it is made of a liquid metal called gallium indium alloy. Gallium is a rare metal with a density slightly larger than that of iron. It looks glittering and is often dispersed in bauxite, sphalerite and other ores in nature. It is a low melting point, nonvolatile, and relatively safe High liquid metal.
In one experiment, a pupil discovered the shameful secrets of this seemingly ordinary ball - it ran!
This is the case. At that time, the student readily rolled it into a stick with aluminum foil and poked a small ball. Just at the instant when the foil touched the drop of liquid metal, it "ran" around in the Petri dish without an applied electric field and ran "full" for an hour.
Figure: Liquid metal machine moving in a U-shaped groove
Since then, scientists have designed the "track" for small balls, and the outstanding performance of the balls has been surprising. Some of the innate talent, showing long-distance running in the astonishing endurance; and some encountered cornering, will be a little pause, "think about life" and then move on; some stature "fat" guy, In the face of a narrow passage, it will be hard to suck "belly" and squeeze myself over ...
Scientists think this liquid metal machine presents a series of unusual properties that are quite close to the simple molluscs in nature.
This discovery shocked the world. Many people exclaimed: "The Chinese made the Terminator!" However, where did its motivation come from?
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