On Thu, 12 Oct 2000, Lex Jenkins wrote:
> Nine volt batteries can pose a serious fire hazard. Try this - brush some
> fine steel wool against the terminals...and get ready to toss the flaming
> mess into some water! Even "spent" 9V batteries usually have more than
> enough juice to ignite similarly highly conductive, fine materials.
I remember seeing that on kids telly back in the 70s. It's not just the
fineness & conductivity of the steel wool, it's the fineness (large
surface area:volume) and (exothermic) oxidisability of the steel.
Copper wool would be less drastic. Magnesium wool would be a flashbulb
(photographic content at least). If you had an OM-1, you'd have to move
the sync selector switch to "fp" not "x".
--
________________________________________________________________________
* | |
| / | |/-\ | Ian A. Nichols |
| | | | | | http://www.chm.bris.ac.uk/~cpian/ |
| \-/| | / | i.a.nichols@xxxxxxxxxx |
| * iann@xxxxxxxxxxxxx |
------------------------------------------------------------------------
< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
|