Chronology | Current Month | Current Thread | Current Date |
[Year List] [Month List (current year)] | [Date Index] [Thread Index] | [Thread Prev] [Thread Next] | [Date Prev] [Date Next] |
On Tue, 7 Oct 1997, brian whatcott wrote:
The bottle is arranged east-west.
The water is 'polarized' with a DC current through the coil for a few
seconds, then the coil is disconnected from the current source, and
connected to the high-gain audio input.
The SciAm "Amateur Scientist" index site at www.thesphere.com/SAS will
tell you which issue this one was in.
I once saw a project article which mentioned that distilled water works
poorly because of the presence of dissolved oxygen, and is much improved
by boiling it in order to degas.
William Beaty