Airport radars are tasked with detecting and tracking aircraft that are flying near an airport. However, a new study has found that they could also be revealing our location to aliens and advanced ...

"Our work supports both the scientific quest to answer the question 'Are we alone?' and practical efforts to manage the ...

In this paper, the nondestructive inspection method for detecting the defect in the underground part of its steel pipe using the alternating magnetic field by low exciting frequency is proposed. In ...

Unexploded ordnances (UXOs) present a substantial and enduring threat to the human society in their vicinity. It is therefore imperative to explore effective and efficient methods for detecting UXOs.