In article ,
jkn wrote:


Something with the strength of brass, but 'Aluminium' in colour, would
be good. I want to bend something useful out of it, a bit like the
street-seller stuff but more functional, he said coyly.

This sounds like the infamous "Run your engine for 2 months on one teaspoon
of Sodium Bicarbonate" that is doing the rounds at the moment.

Their theory goes that you have two non ferrous springs, one inside the
other, with terminals. You put them into a close fitting jar and fill with
weak Sodium Bicarb solution. Add some volts and hey presto, instant hydrogen
for ever.

:-)



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