Serbia’s govt accused of using a sonic weapon against protestors: What is this device?
Acoustic or sonic weapons are devices that deliver very loud sounds over long distances. They can be designed to emit painful ...
UPSC Essentials | Daily subject-wise quiz : Science and Technology MCQs on FireSat project ...
Are you preparing for UPSC CSE Prelims 2025? Check your progress and revise your topics through this quiz on Science and ...