On Friday 28 February 2025 09:12:20 am Mikek wrote:
I have taken the carbon rod from Carbon/zinc batteries for different projects. The last time I did, they were built different.
No single carbon rod down the middle. I don't know when they started this, as it had been a long time since I opened one.
I used to do that when I wanted to do electrolysis, the ones out of D cells made dandy electrodes. And of course the black stuff in there was a handy source of manganese dioxide, I forget what that was useful for.
If anybody's interested, "The Golden Book of Chemistry Experiments" is on my site at , lots of fun stuff in there.
--
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, ?a critter that can
be killed but can't be tamed. ?--Robert A. Heinlein, "The Puppet Masters"
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Information is more dangerous than cannon to a society ruled by lies. --James
M Dakin
