
Look at these small polished rocks. How much more innocent can something look? Yet they almost cost me $800,000 worth of data.
These things are magnetic, and when you throw them in the air close to each other, they will click together with a brrrrrrrrrr sounds, because they touch many times before they settle down. Just a small, silly toy.
Except the thing is, those things are very strongly magnetic. Therein lies a tale.
I run a web business for which I have data on my computer worth over $800,000. So of course I make an off-site back-up. I have a large external hard disk, which is stored at a friend's house. Today when I got the disk home to back up, these two thing were stuck to it. And when I plugged it in, there were no data on it. None, zip, nada, diddley-squat. The disk was named "volume" instead of what I had named it. When I checked the disk with DiskWarrior, the graph for the disk was one smooth gradient. Not one kilobyte of data on it to resque.
I don't know how the formatting data survived, I thought they were just data on the disk like the rest of it. But no matter, there's no doubt that these magnets had erased the disk. If I had actually needed the backup today, I'd have been frigged. Fortunately my data did not depend on this disk alone.
I called my friend, and he told me that it seems his little daughter must have placed the things on my disk. And before that, they had ruined two credit cards, a photographic light-meter, and a friend's CRT Television set. When his daughter placed them on the screen of the TV, they pulled in the rays to one spot, and burned out the screen!
I don't know how they stayed in the hands of the little girl after that, but I know that I'm not letting them near any of my electronics.
David Pogue once tested the story about not letting magnets near your disks. He found out that it is exaggerated, he did not succeed in erasing a single disk, no matter how hard he tried. It seems like he just did not have strong enough magnets!
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Update: here is a warning from a company which sells the "toy". The things can be harmful in all kinds of ways.
I got this email from them:
Thank you for your feedback.
It is the first time I hear that the chirping magnets have done some damage, as they are a lot weaker than all the other supermagnets we sell.
This is what we do in terms of warnings:
1) There is quite an extensive warning on our website concerning magnets in general.
2) There is a link to this warning-page from the footer of *every single* page from our website: It says: "Please read the important information regarding the handling of neodymium magnets!" and it links to the warning-page in 1)
3) Before a customer can complete the order with us he has to actively check the following check-box: "[ ] I have read and understand the important information regarding the handling of neodymium magnets.". In this sentence "important information" is again a link to 1). If you don't check that check-box you can't complete the order.
4) With each parcel we include the warnings *AGAIN* printed on *bright yellow paper*. The content of this leaflet can be seen here.
5) With each parcel comes a delivery sheet and/or an invoice. On this short letter we say in the third sentence: "Please note the enclosed leaflet with important information regarding the proper use of your new neodymium magnets."
I think we went to great length to ensure that each customer is reasonably informed. Please tell me, what we could do additionally to warn our customers? At some point the customer is in charge and has to take some responsibility too, I think.
BTW: We do not manufacture these magnets, we just sell them via our website. There are several hundred shops where you can buy these magnets and countless street-vendors as well.
Please feel free to publish above information on your blog - maybe some of your readers can suggest how we can improve our shop in this regard?
Kind regards
Matthias Ackermann
www.supermagnete.de






