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Archive for March 11th, 2008

Sorry folks. Been out for a while. Family tragedies happen and everything else has got to give. Especially blogs. I’m dedicating this to my mother, who would have loved to see some of this wild stuff in this post.

Taking it really slowly, I’m starting up again. Let’s have some fun, shall we?

The geeks out there are probably familiar with ferrofluids. You can buy them a not insignificant price, but did you know that you can make them yourself? Oh yeah… so you stick a magnet next to the container and it goes all wiggy on you and “stuff” follows the magnetic field lines (click on the image). If you follow the article you are making a colloidal suspension – that is, particles that are nanosized and are too small to fall out of solution.

Homemade Ferrofluidsferrofluid.jpg

Thanks go to Anne Marie Helmenstine, Ph.D. (Chemistry) on her http://chemistry.about.com website. If you decide you want to make some read her safety warnings. Or, you could be a complete dolt and hurt yourself. Free country, I guess, but don’t say I didn’t tell you so.

Next stop in the fun zone of science is the Lichtenberg Zone.

litchtenberg.jpgLichtenberg Stuff

And finally, go HERE to learn a bit about coin shrinking. Who thinks this stuff up?

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