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GPS alternative works even underground

26.06.2023

Researchers from Japan propose a new alternative to the global positioning system (GPS), which will significantly improve the accuracy and expand the ability to navigate even in conditions where being in open space is impossible. Their idea is to use muons - particles that occur when the sun's rays interact with the Earth's atmosphere. Muons are able to penetrate any solid surface, which means that navigational equipment will function without the need to communicate with satellites in open space.

The most surprising thing about this concept of Japanese scientists is that the muon-based wireless navigation system allows you to determine objects even underground and in water. The basic principle of MuWNS (from the English. Muon Wireless Navigation System) is to continuously track the "signals" from muons, which form a continuous "rain" of particles. Every square meter of the Earth's surface is exposed to approximately 10 muons every minute.

Using special sensors, scientists managed to achieve high accuracy even in houses with basements - from 2 to 25 meters, depending on the depth and speed of human movement.

Although the practical application of such technologies is still in the distant future, researchers are already working to remove some of the limitations. They plan to improve the accuracy of the system by using atomic clocks, although these are currently too expensive for widespread use.

Another problem is the inability to capture the movement of objects in real time, so scientists need to develop methods to display and record the movement of objects or people in real time.

However, scientists believe that in the future this technology will be able to significantly enhance the functionality of GPS in areas where it is currently limited.

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Air oven cooks food 30.12.2002

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The crude product is loaded into a ceramic drum which rotates inside another drum. The larger drum heats up while the smaller one cooks food. Salt, spices and oil are added to taste.

Morrison's invention is recommended for industrial production.

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