Using WiFi is the simplest way to detect hidden weapons and bombs

WiFi

In recent years it has become clear that the security we thought we had in different and busy areas of our cities was much lower than we thought. Because of this, many extremists, as we know, have managed to take advantage to cause harm to our neighbors. At this point I don't think it is necessary to recall attacks such as those that occurred in France or Barcelona.

Due to this, it is not surprising that many leaders have put to work to improve security as much as possible in their mandate areas and, as has been demonstrated for quite some time, perhaps the best weapon against this type of attack is prevent them early when they are still being planned.

WiFi can be a crucial weapon in detecting potential explosive devices

As you well know, today all kinds of airports, stations of all kinds, ports and others tend to have a fairly strong surveillance by police forces, something that serves to prevent and can thwart any attack as long as the technology used can detect some kind of anomaly. Now it seems that all this can be simplified in a way never seen before thanks to WiFi.

Surely in all large stations, whatever the means of transport used, they usually have WiFi networks. Thanks to a group of researchers from the Rutgers University (New Burnswick) it has been discovered that this may be the simplest technology to detect in a very cheap and simple way the presence of weapons, bombs or other types of explosive chemicals contained in bags.

This WiFi system is capable of detecting dangerous objects 99% of the time

Apparently and according to the study that has been published by this group, it seems that all these materials, or at least most of them, usually contain metals or liquids and these materials interfere with WiFi signals in a very specific way, something that can be detected since the container used to transport this type of weapon by a person, well a suitcase, a package ... is usually made of a material that is easily transferred by any WiFi signal.

To prove their theory, the people in charge of the development of this project decided to directly build a weapon detection system that uses WiFi technology to work. The idea was as simple as analyzing what happened to the signals emitted by the device when encountering a nearby object or material. The result was that this system was able to distinguish dangerous from non-dangerous objects 99% of the time..

Going into a little more detail, as specified by one of the researchers, today the rudimentary tool they have developed is capable not only of identifying dangerous objects with 99% accuracy, but it could also identify in 90% of hazardous materials, identifying with 98% precision those that are metals and 95% of the time those that are liquids.

Its implementation can be very effective, especially in large public spaces

Currently most airports use X-ray or CT technology to verify if the luggage of a certain individual may contain some type of suspicious item. The downside to these types of gadgets is that they are very expensive and difficult to use in very large public areas. According Jennifer Chen, co-author of this study:

In large public areas, it is difficult to establish expensive inspection infrastructures such as those found in airports today. Labor is always needed to check bags, and we wanted to develop a complementary method to try to reduce labor.

For the moment, as has been officially commented, the idea of ​​the team working on this project is to improve the accuracy of your WiFi weapon detection system so you can better detect the shape of an object and modify it to estimate the volume of liquids contained in the bags.


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