In the 2004 sci-fi movie "I, Robots", a group of identical robot teams staged a scene of war that made many audiences feel amazing. But is it really possible to form a cold mechanical army? According to the British "Daily Mail" website, the National Institute of Technology in Ulsan, South Korea, convened researchers from all over the world to form a research team to develop a new material. This kind of material can be assembled into an "army" by itself, forming a unit of unity and unity.
This material is called "Jenas Colloid" and is essentially a small sphere that can propel itself. Initially, Dr. Eric Lujie Teng in the research team designed a colloidal particle on the computer that can move and combine autonomously in the electric field.
Later, another "Jenas Colloid" particle invented by Dr. Steve Grannick was superior in performance. This kind of particle is a typical synthetic material. It consists of two different hemispheres, one with a positive charge and one with a negative charge. It has the property of breaking symmetry and can promote itself.
When in a magnetic field, the symmetry of the breaking can change the charge carried by the particles, and the electrostatic interaction between the particles also changes. As a result, some of the particles are mutually exclusive, some are attracted to each other, and some remain electrically neutral. As a result, the particles automatically form a shape, such as a chain, a sphere, or a cluster, which is visually observed in a regular arrangement.
Now, researchers have used computer models and a simple two-stage Janus colloid system to test, and the results predict that a three-dimensional prototype of the material needs to be built to explore the practical use.
Obviously, "Jenas Colloid" is far from the robot army in the movie, and researchers hope that this result can be applied in the medical field to improve the drug effect. In the future, drugs can be placed in tiny containers made of new materials that are precisely delivered to a specific part of the patient's body where the drug is needed.
If the vision of healing and saving people can be achieved, then "Jenas Colloid" may be used to make magnetic robots. Even if this kind of automatic robot exists in the form of a single instrument, it can be fearless in combat operations and become an army of "unification of thoughts."
Researchers say that particle development has been inspired by the behavior of bees and ants, and this new material was first designed through the replication of animal behavior. They believe that there is still much to be explored in this "double-sided" material, in addition to medicine for the benefit of mankind.
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