How are landmines detected

Finding landmines requires either well-protected heavy machinery that detonates the mines as it passes over them-or someone coming dangerously close to the hidden mines to be missed, especially those that are buried deep in the ground. It is also the case that metal detectors are becoming obsolete because synthetic materials are increasingly widely used in the manufacture of bombs. For these reasons, attempts are now being made to 'see' into the ground and to develop equipment that can detect molecules of explosives in the air. There is already a prototype mine detection system that sends powerful sound waves into the ground and to develop equipment that can detect molecules of explosives in the air. There is already a pro-type mine detection system that sends powerful sound waves into the ground from a distance of a few meters. This causes the mines to vibrate gently, and this sound response can be picked up using sensors. This system can reveal the type of mine as well as its location. Nuclear magnetic resonance-which is widely used to produce images of internal human organs-is also useful for detecting concealed explosive devices. This kind of detector uses electromagnetic waves to find the nitrogen molecules present in most explosive devices.