Magnets, how do they work?
What happens when you drop a magnet through a copper tube? Find out in this AWESOME video: http://t.co/dAO2ee3sXO pic.twitter.com/4Dn5VxKqGW — IFLScience (@IFLScience) August 31, 2014
What happens when you drop a magnet through a copper tube? Find out in this AWESOME video: http://t.co/dAO2ee3sXO pic.twitter.com/4Dn5VxKqGW
— IFLScience (@IFLScience) August 31, 2014