Is there any simple, low-energy way to make a permanent magnet able to turn 'on and off' (similar to an electromagnet)? - Quora
magnet summary | Britannica
Spencer Double Sided Neodymium Fishing Magnet Upto 500 LBS Pulling Force Rare Earth Magnet for Retrieving in River and Magnetic Fish - Walmart.com
Magnet Source Heavy Duty Magnetic Base, 95 lb - 1 EA (456-07223) - Walmart.com
Fusion gets closer with successful test of new kind of magnet
Vector Illustration Of Magnetic Field Lines Around A Bar Magnet On White Background Stock Illustration - Download Image Now - iStock
Magnetic Field Viewer Card, Eddy Currents & Magnetic Fields: Educational Innovations, Inc.
What is a magnet?
A Permanent Magnet That Turns On and Off - YouTube
Magnet Basics
Difference Between Electromagnet and Permanent Magnet with its Practical Applications in Real Life
Magnets with an OFF Switch
Investigating magnetism — Science Learning Hub
364,571 Magnet Images, Stock Photos & Vectors | Shutterstock
Magnets with an OFF Switch
Electropermanent magnet - Wikipedia
Techniks ELM-1000 EZ-Lift Rare Earth Lifting Magnet, 2,200 lbs Plate, 1,320 lbs Round - General Cutting Tools
The Discovery of Magnet and Magnetic Compass
Magnets: Types, Applications, Manufacturing, and Magnetizing Process
The Creative Science Centre - by Dr Jonathan P. Hare
Amazon.com: MUTUACTOR Strong Rubber Coated Neodymium Magnet Backup Camera Magnetic Mount Base,100lb Heavy Duty Round Magnets,No Scratch Painted Surface High Friction Magnet Base for Car,Bus,Camera and Equipement… : Industrial & Scientific
20.1 Magnetic Fields, Field Lines, and Force | Texas Gateway
