Some more Cobalt chemistry, since you all liked the previous pink girlpowder (this time a potassium cobalt sulfate double salt)
Left is plain cobalt sulfate, and to the right is the hydrated form of the potassium cobalt sulfate

Some more Cobalt chemistry, since you all liked the previous pink girlpowder (this time a potassium cobalt sulfate double salt)
Left is plain cobalt sulfate, and to the right is the hydrated form of the potassium cobalt sulfate
SSTC testing
(single BJT slayer-exciter circuit for checking if the secondary works)
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