Recent content by majestic

hi Guys, i am creating a solenoid gun, but my problem is that when i put my magnetized needle in the solenoid , it just stops in the midway , is there any way that my needle pass through the solenoid without stoping ( with a good speed ) i really need your help

hi Guys, there is a science exh. in our school, i am thinking of creating a device which indicates the direction of sound source , is there any way to make it ?