---------------------- Forwarded by Kayne Coulter/HOU/ECT on 11/29/2000 09:34 
AM ---------------------------


Gary and Donna Holtz <dgholtz@yahoo.com> on 11/29/2000 09:17:03 AM
To: Mary and Bill Holtz <mary@jvlnet.com>
cc:  
Subject: Heating Water in Microwave



  Micro-waving Water to
> Heat it Up
>  I feel that the following is information that any
> one who uses a  microwave
>  oven to heat water should be made aware of.
>
>  > >  About five days ago, a 26 year old man decided
> to have a cup of
> instant
>  > >coffee. He took a cup of water and put it in the
> microwave to heat it up
>  > >(something that he had done numerous times
> before). I am not sure how
>  > long  he set the timer for but he told me he
> wanted to bring the water to
> a boil.
>  > When the timer shut the oven off, he  removed the
> cup from the oven. As
> he
> looked into the cup he noted that the water  was not
> boiling but instantly
> the water in the cup "blew up" into his  face.
>
>  > >The cup remained intact until he threw it out of
> his hand but all the
> water
>  > >had flown out into his face due to the buildup
> of energy. His whole face
>  > is blistered and he has 1st and 2nd degree burns
> to his face which may
> leave
>  > >scarring. He also may have lost partial sight in
> his left eye.
>
>  > >While at the hospital, the doctor who was
> attending to him stated that
>  > this is a fairly common occurrence and water
> (alone) should never be
> heated in a
>  > >microwave oven. If water is heated in this
> manner, something should be
> placed
>  > >in the cup to diffuse the energy such as a
> wooden stir stick,  tea bag,
>  > etc.  It is however a much safer choice to boil
> the water in a tea
> kettle.
>
>  > > Please pass this information on to friends and
> family. Here is what a
>  > >science teacher has to say on the matter:
>
>  > > "Thanks  for  the microwave warning. I have
> seen this happen before. It
> is
>  > >caused  by a phenomenon known as super heating.
> It can occur anytime
> water is
>  > heated  and will particularly occur if the vessel
> that the water is
> heated
> in is
>  > new.
>
>  > > "What happens is that the water heats faster
> than the vapor bubbles can
>  > >form. If the cup is very new then it is unlikely
> to have small surface
>  > >scratches inside it that provide a place for the
> bubbles to form. As the
>  > >bubbles cannot form and release some of the heat
> that has built up, the
>  > >liquid does not boil, and the liquid continues
> to heat up well past its
>  boiling point. What then usually happens is that
> the liquid is bumped or
> jarred, which is just enough of a shock to cause the
> bubbles to rapidly
>   form and expel the hot liquid. The rapid formation
> of bubbles is also  why
>  a carbonated beverage spews when opened after
> having been shaken."
>
>  Please pass this on to everyone you know, it could
> save a lot, of pain and
> suffering.
>
>
>

> ATTACHMENT part 2 message/rfc822 name=Heating Water
in Microwave.eml
> From: WALatif728@aol.com
> Date: Sun, 26 Nov 2000 12:38:35 EST
> Subject: Heating Water in Microwave
> To: Beckie948@cs.com, Tiffeny_Lee@nyed.uscourts.gov,
> TaqwaSec@aol.com,
>  aleliz@prodigy.net, agoldson@unitedwayatl.org
>
> More important information to be shared:
>
> Wadiyah
>
> Micro-waving Water to Heat it Up
> I feel that the following is information that any
> one who uses a  microwave
> oven to heat water should be made aware of.
> > >
> > >  About five days ago, a 26 year old man decided
> to have a cup of instant
> > >coffee. He took a cup of water and put it in the
> microwave to heat it up
> > >(something that he had done numerous times
> before). I am not sure how
> > long  he set the timer for but he told me he
> wanted to bring the water to a
> boil.
> > When the timer shut the oven off, he  removed the
> cup from the oven. As he
> looked into the cup he noted that the water  was not
> boiling but instantly
> the water in the cup "blew up" into his  face.
> > >
> > >The cup remained intact until he threw it out of
> his hand but all the water
> > >had flown out into his face due to the buildup of
> energy. His whole face
> > is blistered and he has 1st and 2nd degree burns
> to his face which may leave
> > >scarring. He also may have lost partial sight in
> his left eye.
> > >
> > >While at the hospital, the doctor who was
> attending to him stated that
> > this is a fairly common occurrence and water
> (alone) should never be heated
> in a
> > >microwave oven. If water is heated in this
> manner, something should be
> placed
> > >in the cup to diffuse the energy such as a wooden
> stir stick,  tea bag,
> > etc.  It is however a much safer choice to boil
> the water in a tea kettle.
> > >
> > > Please pass this information on to friends and
> family. Here is what a
> > >science teacher has to say on the matter:
> > >
> > > "Thanks  for  the microwave warning. I have seen
> this happen before. It
> is
> > >caused  by a phenomenon known as super heating.
> It can occur anytime water
> is
> > heated  and will particularly occur if the vessel
> that the water is heated
> in is
> > new.
> > >
> > > "What happens is that the water heats faster
> than the vapor bubbles can
> > >form. If the cup is very new then it is unlikely
> to have small surface
> > >scratches inside it that provide a place for the
> bubbles to form. As the
> > >bubbles cannot form and release some of the heat
> that has built up, the
> > >liquid does not boil, and the liquid continues to
> heat up well past its
> > >boiling point. What then usually happens is that
> the liquid is bumped or
> jarred, which is just enough of a shock to cause the
> bubbles to rapidly
> > > form and expel the hot liquid. The rapid
> formation of bubbles is also  why
> > a carbonated beverage spews when opened after
> having been shaken."
>
> Please pass this on to everyone you know, it could
> save a lot, of pain and
> suffering.
>


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