Lately i've been playing around with an interesting shielding technique. Uh... two standard rectangular magnets... The magnetic fields would go... roughly like this, if you put them in close...

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Here's how to make the supermagnet beads into a single large supermagnet. If I have a ring it's not a magnet. It has no effect on my video, Let's go to msPaint there. and...
Here's a device I've been calling... "Fantastically Dangerous Mechanical Mag-Lev." Fantastically dangerous because it's got two copper cylinders spinning very...