You probably already know that homing pigeons can fly long distances, but there are other animals, like red shrimp, that can fly with the locals. Research shows that these marine creatures can get their orientation clues from orientation clues caused by many local anomalies in the Earth's magnetic field. A team of engineers at the University of Oulu in Finland recently launched a new indoor positioning technology, or Bluetooth tags, that integrates a compass into all Android and iPhone devices without the need for a Wi-Fi hotspot, but developed using specific signal processing techniques.
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The large amount of steel in a building distorts the Earth's magnetic field, creating a unique pattern at every location in the building. What a project manager's note: By measuring this disturbance, you can easily determine the location and create interesting maps. ”
Many people don't think that installing cell phone jammers in schools is a solution, but because children can access the Internet in several other places, such as at home or in open Wi-Fi areas in cities. This is a very good plan. Teenagers do not have enough maturity to use the Internet properly. Sometimes, out of curiosity or pressure from peers, they may be exposed to content that they shouldn’t be exposed to. Even if someone accidentally makes such a mistake, installing what is a cell phone jammer equipment is a very good idea.
