A Permanent Magnet That Turns On and Off

In this video I show you how it is possible to have a permanent magnet that turns on and off with the flip of a switch. I show you several ways that a magnetic field can be blocked. Get Your Experiment Box Here: Checkout my experiment book: Follow me on Twitter: Facebook: Instagram: Watch other popular videos from my channel Gömböc—The Shape That Shouldn’t Exist Shooting a Nerf Gun Backwards While Driving At The Bullet’s Speed Forward Superhydrophobic Knife Slices Water Drops in Half Real-Life Invisibility Cloak Can Hide Anything! How Does It Work? What’s Inside the Worlds’ Fastest Heat Conductor? Can You Use Umbrellas Instead of a Parachute? Opening a Bottle of Liquid Nitrogen Under Water! Warning: DO NOT TRY—Seeing How Close I Can Get To a Drop of Neutrons *Any experiment you try is at YOUR OWN RISK. The Action Lab assumes no responsibility for any injury if you attempt anything you see in this video or on The Action Lab channel.