Research shows that underground navigation may be possible using cosmic-ray muons
For the first time, superfast subatomic particles called muons were used to wirelessly guide underground vehicles. Researchers at the University of Tokyo calculated the position of the underground receiver using muon-detecting stations that were synchronized to an underground muon detector.
This new technology, which cannot penetrate water or rock, could be used to guide autonomous vehicles underwater and underground, monitor undersea volcanic activity, and in future search-and-rescue efforts. The findings were published in the journal iScience.
GPS is an established navigation system that offers a wide range of benefits, from safer travel to location mapping in real time. It does have some limitations. The GPS signal is weaker in higher latitudes, and it can be jammed (a fake signal can replace an authentic one). Signals are also reflected by surfaces such as walls and interfered with when trees are present. They can’t be transmitted through water, rocks, or buildings.
Source:
https://techxplore.com/news/2023-06-underground-cosmic-ray-muons.html
