gfish: (Default)
gfish ([personal profile] gfish) wrote2006-02-11 01:11 am

(no subject)

I just ordered a free sample of carbonyl iron powder, for purposes of better homemade magnetorheological fluid. I usually hate dealing with industrial suppliers, but the free samples thing is pretty cool. Of course, if I ever want to buy some for real, I won't be able to get less than a ton.

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