What Size Magnet Can ERASE a Credit Card?

Check out Samy s channel: https://youtu.be/UHSFf0Lz1qc Don’t try this at home! The experiments and products shown in this episode were used in the name of science. If you liked this video check out these: The HIDDEN Magnets in Your Phone! https://www.youtube.com/watch?v=HodWkE0G28M How to shrink a quarter with electricity https://www.youtube.com/watch?v=d2TDXKfBaMQ http://physicsgirl.org/ http://twitter.com/thephysicsgirl http://facebook.com/thephysicsgirl http://instagram.com/thephysicsgirl Creator/Host/Writer/Editor: Dianna Cowern Editor: Jabril Ashe Science Consultant: Dan Walsh Videography: Dianna, Jabril and Trace Dominguez Thanks to Rachel Cohen for the idea for this video and for her help! Thank to Casey Wessel, Demetra Airaudi, and Josh from the farmers’ market.