If there is a time when the red light is on, the sidewalk is sealed and the green light is released. With this wall, if you want to move forward and you can't get out, you can completely eliminate the red light.

Of course, if you really have a solid wall on the road, this road will not be able to operate. However, if you switch to a controllable virtual wall, everything is easy. There is such a magical black technology wall in foreign countries. This is the laser virtual signal wall invented by Qi Guoren.

This wall mainly uses a laser beam to simulate a striking red virtual wall to block pedestrians or vehicles that want to violate traffic. A plasma laser generator is placed on both sides of the road to emit and produce a dense laser beam.

The dense and dense laser beam forms a red virtual wall, and the wall will even play the "shadow" of pedestrians, which will warn people not to cross the road.

However, since it is only a virtual wall, of course, it can not produce actual blocking. Just use the striking color of the big red high wall to visually give people and drivers an invisible sense of oppression. Coupled with the rushing figure on the wall, the driver who wants to "advance" naturally does not dare to go any further.

And there will be waiting countdown numbers on the wall to allow pedestrians to have a more accurate grasp of the waiting time.

The existence of this giant "high red wall" makes the whole road full of the taste of black technology. Even after crossing the road, I feel that I am cool and blasting.

The director believes that the emergence of laser virtual signal walls, at least visually and spiritually, gives a short-lived mental shock. After long-term suppression of the laser virtual signal wall, people's thoughts of violating traffic will gradually weaken, and finally begin to look at the instructions.

At the same time, people will follow the instructions of the laser virtual signal wall step by step, gradually forming a suggestive mentality: when blocked by the wall, you can't cross the road, and wait until the red wall disappears before you start to walk.

With this trend going on, there may be no traffic lights in the future. People have the guidance of the laser virtual signal wall, and gradually develop a good habit of obeying the traffic rules.

The best trend in the future is that as people's beliefs about obeying traffic rules become stronger, they may not even need a signal wall. Therefore, traffic lights and signal walls are only a secondary aid. The most important thing is that people can build their own "ethical wall".

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