“Short-moving” should be a skill that everyone in the first-tier cities often dreams about, so that you don’t have to get up early to work and you don’t have to waste hours on the road every day. Judging from the current level of science and technology, "momentary movement" can only be realized in the fantasy of "science fiction". However, unlike other illusions, this illusion has already begun to show signs and it may be realized in the future.

According to the Daily Mail report, scientists have made major breakthroughs in the field of quantum travel. The current research results have been able to transmit the two-character information in the city's optical fiber network a distance of several kilometers. According to reports, this breakthrough can help people create faster, more secure computer networks and even help people move instantly.

The so-called momentary movement is actually Quantum teleportation. The principle is Quantum entanglement. That is, two particles are entangled with each other. Even if they are far apart, the behavior of one particle will affect the other. status. Einstein once called this phenomenon a "spooky superposition effect" and could be used to transmit information over long distances.

Although quantum stealth transmission sounds very mysterious, there are many universities and research institutes in the world that have already demonstrated the possibility of using optical fiber for quantum stealth transmission. The use of fiber optic networks for long-range quantum stealth transmission is safer than air transport, but requires a separate light source, which represents a huge technical challenge. When the light beam passes through a few kilometers of fiber, it needs to be kept in a subtle state.

Michio Kaku, a professor of physics at City University of New York, said that this technological breakthrough can help humans move instantaneously. He said that this technology will become a reality at the end of this century. It is only a matter of time before the "telescope" of human beings in the universe.

However, although it is theoretically feasible to use quantum invisible transmission to transmit objects, there are still many technical problems that have yet to be resolved to truly realize the invisible transmission of people. For example, the human body is made up of matter. If we use the speed of light to move a person's body to another place, then how to "dually materialize" it is still a problem; how the launching instrument regroups people at the destination? It is also a difficult problem. If these problems are not resolved, it will be difficult to achieve instantaneous movement.

However, whether or not this "science fiction skill" can be achieved, for the time being, this breakthrough in quantum stealth transmission will indeed help us build a better, faster and more secure Internet environment. This is what people need now.

Digital Weighing Indicator

Weighing display is an instrument that displays the mass and weighing status of the weighed object in electronic instrument. Weighing display is originally analog indicator type, which consists of error amplifier, reversible motor, balance Bridge, excitation power supply, Dial, Pointer and other parts, and works according to the principle of automatic balance electronic potentiometer. It has slow weighing speed, single function and low accuracy, and has been basically eliminated now. The current weighing display is digital display.

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