Project of the United States Defense Research Agency, darpa, is engaged in monitoring the sounds emitted by marine animals to detect underwater threats. The idea of ​​action called Permanent live water sensors (buddiesin the abbreviation in English) is to try to use natural noises as a kind of animal mapping of possible attacks on the territory through the sea.

The solution could replace existing monitoring sonars that are limited in time (when the battery becomes unusable after a few hours) and space because they serve a small area. It is expected that some species, which remain stable in some regions, will be able to cover a large area and for many months after friends

In an interview with the future of the bbcin English, lori decorationproject manager at the US Defense Research Agency, comments that “Currently, we treat all of these natural sounds as background noise or interference, and we’re trying to change that.” and argues that the use of these sounds can be productive for this purpose.

sentinel species

Among the species monitored by the project are black sea bass this is gun shrimp. The first is common in areas of the North American coast and reproduces loud sounds that can be heard from a distance of 800 meters when an invader is detected from its territory, as well as when it is in the process of mating and for other yet unknown reasons. . These animals are being monitored by a research team at Florida Atlantic University.

already gun shrimp able to make high pitched sounds 210 decibels, the loudest sound made by a known living thing for hunting other species. Through him, buddies is designed to detect the echo generated by the reflection of noise from vehicles in a kind of natural anti-submarine sonar.

The problem in this case is how to interpret the reflections, since the location of the source of the noise is unknown, unlike traditional sonar. To do this, some algorithms have been developed for determining the sound trajectory, recognizing both the position of the radiating block and the reflector. At the moment the project Permanent live water sensors surpassed only its first stage, so the feasibility of this study in practice is still far from being determined. The next phase is scheduled for the summer of 2022 in the northern hemisphere, from late June to September.

Researchers can teleport distant qubits for the first time
With the development of the quantum Internet is getting closer and closer

…..

Source: The Future of the BBC.