As the name indicates, ultrasonic sensors measure distance by using ultrasonic waves. The basic working principle of these sensors is based on echolocation, which involves transmission of ultrasonic waves to the target object, which reflects it back to the source after receiving the initial wave. The ultrasonic sensors detect the exact …

Deep sea reach is important to Navies which can collect the information about enemy submarines as well as carry out their own operations undetected. China continues to make progress in deep sea exploration following the three-month mission of a new underwater glider in the South China Sea, which experts said …

Military studies have shown that adversaries have shifted to the use of underground bunkers to protect against the U.S. military’s precision strike capabilities that combine satellite navigation with guided missiles and bombs. To counter American precision strikes, China, Russia, North Korean, and Iran began burying facilities and hardening them with …