Ken writes - "Saw your post on the blog about making ferrofluid. If you want to use the stuff with kids, here's a safer (cleaner too, no oil) version as well as some background information." - Link. The videos are great.
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Make your own Ferrofluid - Link.
Posted by Phillip Torrone |
Apr 14, 2006 03:37 PM
DIY Projects |
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i dont know if it's because im in sweden, but i cant go to the linked page.
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Hey...25% tetramethylammonium hydroxide is only 183 dollars per 100 ml from Fisher Scientific.
If you're feeling inclined, you can get 25 grams for 40 bucks and then make up the solution yourself (same source.)
As for safer- tetramethylammonium hydroxide is classified as an "extreme danger" to health by the NFPA. Granted, you're not using much, but I'm not sure I'd want my kids (if I had them) near it.
Reply to this comment
Hey...25% tetramethylammonium hydroxide is only 183 dollars per 100 ml from Fisher Scientific.
If you're feeling inclined, you can get 25 grams for 40 bucks and then make up the solution yourself (same source.)
As for safer- tetramethylammonium hydroxide is classified as an "extreme danger" to health by the NFPA. Granted, you're not using much, but I'm not sure I'd want my kids (if I had them) near it.
Reply to this comment