Author: Edward GreenEdward Green Date: Apr 5, 2008 05:05
On Apr 5, 3:28 am, problems@gmail wrote:
>>> Re. Newly emptied icecream-tub which catches masses of ccs for
>>> the 1st 2 days only & then they are able to climb out & not drown.
>>> Apparently there's some microscopic effect on the tub's inner
>>> surface, which disappears after a few days usage. And strong
>>> washing doesn't restore it.
Probably a microfilm of icecream.
>>> Why can't some researcher build on this observation ?
> Tom Davidson wrote:-
>> Try *soapy* water in your ice cream tub. Used dishwater will do.
>> A cockroach can survive for a month in an atmosphere of HCl fumes
>> (I ran the experiment in 1977) but will drown in soapy water in
>> seconds (a lesson I learned from my Grandmother in the 1950's).
I learned, when once besieged by large black ants, that ants will swim
in tap water, but die in seconds in alcohol. Accordingly, I wiped out
the column by picking them up one by one by hand and dropping them
into a jar of alcohol (oh yes... they were too hard to crush with your
fingers -- and obviously they didn't bite effectively).
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