[net.physics] A Spaghetti Puzzle

lvc@cbscc.UUCP (Larry Cipriani) (01/19/84)

Last night I cooked spaghetti for dinner and noticed something
interesting that I don't understand.  I let the spaghetti cook
unattended for several minutes while I was watching television.
When I went to see if it was done, I noticed that the spaghetti
was arranged in more or less a doughnut shape.  Most of it was
away from the sides and there was very little in the center of 
the pan either.  It seemed be concentrated over the points where
the heat from the stove (gas) touched the pan.  I would guess
that the two are related somehow but I'm not sure why.  Does
anyone know why this happens?

a puzzled spaghetti lover,

Larry Cipriani
cbscc!lvc

jonab@sdcrdcf.UUCP (Jonathan Biggar) (01/20/84)

I'll hazard a guess that the spaghetti is drawn to the area over the
flame by convection currents causes by the heat.  But since spaghetti
is sticky, it clumps there instead of following the currents around
to the outside or center of the pan.
-- 
Jon Biggar
{allegra,burdvax,cbosgd,hplabs,ihnp4,sdccsu3,trw-unix}!sdcrdcf!jonab