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So what have you been geeking out about this week? (lemmy.world)

submitted 8 months ago by TehBamski@lemmy.world to c/asklemmy@lemmy.ml

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[–] indomara@lemmy.world 15 points 8 months ago (3 children)

I was talking to my husband who has been traveling for work to an industrial site, and he sent me a picture that included a "permanent magnetic lifter".

They look like this: https://www.magnet-sdm.com/wp-content/uploads/Permanent-magnetic-lifter.jpg

I had never heard of these and wondered how they worked - how is it possible to "turn off" a magnet without electricity??

I found a video where someone explains how this is possible: https://www.youtube.com/watch?v=PMma3OJUHhs

I got one of the smallest of these as a gift for my husband. This tiny thing is strong enough to lift 68kg. It's strong enough to lift me!

https://i.pinimg.com/736x/b4/01/24/b401240f2c83f2ba6d95b91f50432a40.jpg

[–] Mostly_Gristle@lemmy.world 2 points 8 months ago

Neat. I use small versions of those at my job all the time. I've always wondered how those worked.

[–] TehBamski@lemmy.world 2 points 8 months ago

This is an ingenious use of magnets! Thank you for sharing. I feel like I know something the general public doesn't know, making me feel oddly powerful. hahaha

[–] dependencyinjection@discuss.tchncs.de 1 points 8 months ago (1 children)

How much do the small ones cost?

[–] indomara@lemmy.world 1 points 8 months ago

The key chain magnet rated for 60 lbs was $54.95 AUD and the larger one rated for 165 lbs was $119.95 AUD.

The Australia tax is real, I imagine that little key chain is like $20 in the States.