Category

Videos

31/07/2020
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HOW TO REMOVE KEEPERS FROM MAGNETS

WHAT ARE MAGNET KEEPERS? A magnet keeper, is a bar made from iron or steel. They are placed across the poles of a permanent magnet to help preserve the strength and close the magnetic circuit, which stops any external metal being attracted to the magnet. We use them as a safety function for when we send out our magnets in the post. Due to keepers being used to close a circuit they can be fiddly to remove, with this in mind we have created some videos to show you how... Read More

07/04/2016
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How to create a simple electric train using magnets

In this article, we are going to show you how you can create the simplest (possibly), but by far the most awesome (definitely) DIY electric train by using nothing more than  a battery, some bare copper wire and two magnets. Before you stand aghast in disbelief and tell us it can’t be done, make sure you check our article on how to make a basic electric motor with almost identical materials.

25/06/2015
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How to make a Gauss rifle

At first4magnets, we recently got hold of some super slow motion cameras. Naturally. after having fun using them to film large neodymium magnets squashing things in 2000 frames per second, we thought it would be interesting to shoot a permanent magnet Gauss rifle in slow motion and explain how one works…

09/10/2013

The five best magnet videos online

Hi there. You may have guessed it, but I love magnets. I also love discovering awesome videos about magnets and luckily the web is full of magnet and physics videos. Here I highlight five of my favourites.