Key facts
- China has developed a handheld device for submarine detection.
- The device was tested and successfully tracked an underground subway train.
- The technology utilizes quantum entanglement principles.
Researchers in China have developed a handheld device designed for submarine detection that has also demonstrated the ability to track underground subway trains. The technology reportedly leverages principles of quantum entanglement to achieve its detection capabilities. The successful tracking of a subway train suggests potential applications beyond its intended maritime use, raising questions about its sensitivity and specificity.