A scene from the movie 'The Dark Knight' released in the year 2008 showed that Batman found The Joker with the help of a 3D map of the city, which was created through Gotham's cellphone network. After a decade, it is now possible in real world. Scientists have now discovered a method, where wifi radiations can be used for creating a holographic map.
According to Prayer App, the researchers at the German Technical University have discovered the strategy by which a holographic map can be created inside of building with the help of wifi radiations as they get bounced off people and objects. The research was done on the stray radiations which are emitted from devices such as routers and phones, inside the house.
"Basically, each device acts as a light bulb of different color and lights up its environment. Due to the longer wavelength of microwave radiation compared to the visible spectrum, the Wi-Fi signals can pass through many materials, making walls appear transparent, almost like glass," Philips Holl, an undergraduate student worked on the project said. He clarified that by this method, wifi radiations can create a 3D picture of the surroundings.
Digital Trends reported that scientists from the Technical University of Munich were the first to work on this project. The team used stray wifi radiations for the detection of any motion and coarse 2D imaging. This technique will be very helpful in creating 3D scans of any building or big structures. Tracking precisions could be improved by this technique. There can be many applications for this method.
If anyone is stuck under any building during any kind of natural disasters such as an earthquake or even avalanches, a setup with wifi radiations could be helpful in utilizing a search and rescue operation by creating a 3D map of the area. The trapped person must have his cell phone switched on. At present, the group has performed outputs of simple-to-see structures, for example, the aluminum cross, as a method for testing this innovation. Further research is being done which objects can create a problem for the method.
