!HELP!! ALTAIR BLEW SMOKE!!!

From: Tony Duell <ard_at_p850ug1.demon.co.uk>
Date: Mon May 26 17:31:53 2003

> Think of the aluminium-alumina junction as a junction diode, with a
> very high resistance in one direction and a very low resistance the
> other way.

About 80 years ago, there was a thing called an 'electrolytic rectifier'
which IIRC used this sort of principle. They were used for low voltages
in battery charagers, etc. I think I have the instructions for making
them somewhere, but I've never tried it!

-tony
Received on Mon May 26 2003 - 17:31:53 BST