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Thread: Metal in da' microwave

  1. #1
    notbob Guest

    Default Metal in da' microwave

    Mom put her stainless steel coffee cup in the microwave and nuked it.
    No 4th of July! ?????

    They making M/Ws better, now? Special nukeable SS? What's up? I
    thought any metal was death to a M/W. I still stopped it thinking
    that's mebbe what killed the last one in less than a year.

    nb

    --
    "Do you recognize me? No!
    ....cuz I don't work here"
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  2. #2
    Andy Guest

    Default Re: Metal in da' microwave

    notbob <[email protected]> wrote:

    > Mom put her stainless steel coffee cup in the microwave and nuked it.
    > No 4th of July! ?????
    >
    > They making M/Ws better, now? Special nukeable SS? What's up? I
    > thought any metal was death to a M/W. I still stopped it thinking
    > that's mebbe what killed the last one in less than a year.
    >
    > nb




    Change your meaningless name from:

    notbob
    to
    nutjob

    Andy

  3. #3
    Nancy Young Guest

    Default Re: Metal in da' microwave

    On 8/3/2012 6:26 PM, notbob wrote:
    > Mom put her stainless steel coffee cup in the microwave and nuked it.
    > No 4th of July! ?????
    >
    > They making M/Ws better, now? Special nukeable SS? What's up? I
    > thought any metal was death to a M/W. I still stopped it thinking
    > that's mebbe what killed the last one in less than a year.


    Many years ago, I read that you could use foil to protect
    the corners of a baking pan from burning in a microwave, but the
    foil had to be smooth. Perhaps the rounded mug didn't wreak
    havoc with the microwaves.

    I've seen microwave ovens with metal racks.

    nancy

  4. #4
    jmcquown Guest

    Default Re: Metal in da' microwave


    "Nancy Young" wrote in message
    news:501c528a$0$8863$[email protected] com...

    On 8/3/2012 6:26 PM, notbob wrote:
    > Mom put her stainless steel coffee cup in the microwave and nuked it.
    > No 4th of July! ?????
    >
    > They making M/Ws better, now? Special nukeable SS? What's up? I
    > thought any metal was death to a M/W. I still stopped it thinking
    > that's mebbe what killed the last one in less than a year.


    Many years ago, I read that you could use foil to protect
    the corners of a baking pan from burning in a microwave, but the
    foil had to be smooth. Perhaps the rounded mug didn't wreak
    havoc with the microwaves.

    I've seen microwave ovens with metal racks.

    nancy


    I *have* a microwave with a removable metal rack! (They're allegedly
    specially coated or something. I honestly couldn't tell you.) I don't use
    the rack or anything metal in the m/w. I do remember my mother once put a
    bowl in the 1982 m/w that had metal around the rim. Sparks flew! I'm sure
    technology has changed since then. (These are the times I miss Boli, who
    knew so much about these things.)

    Jill


  5. #5
    George M. Middius Guest

    Default Re: Metal in da' microwave

    Nancy Young wrote:

    > Many years ago, I read that you could use foil to protect
    > the corners of a baking pan from burning in a microwave, but the
    > foil had to be smooth. Perhaps the rounded mug didn't wreak
    > havoc with the microwaves.
    >
    > I've seen microwave ovens with metal racks.


    Thin metal with sharp angles is incompatible with microwaves. Rounded,
    thick pieces are OK.



  6. #6
    dsi1 Guest

    Default Re: Metal in da' microwave

    On 8/3/2012 12:26 PM, notbob wrote:
    > Mom put her stainless steel coffee cup in the microwave and nuked it.
    > No 4th of July! ?????
    >
    > They making M/Ws better, now? Special nukeable SS? What's up? I
    > thought any metal was death to a M/W. I still stopped it thinking
    > that's mebbe what killed the last one in less than a year.
    >
    > nb
    >


    A steel coffee cup is fine in a microwave. If there's some sort of
    metallic film on a ceramic cup, you might get arcing and that might not
    look too nice. The microwaves generates a voltage in metals and if you
    have two pieces of metal or foil not connected to each other, they may
    arc if they're too close. I stick my aluminum rice pot in the MW with
    the lid on to warm rice. I thought the metal rim of the glass lid might
    arc with the metal pan but it didn't. The metal pan does not allow the
    microwaves to pass so most of the energy is coming through the glass
    top. I don't know what would happen if the lid were metal. Messed up MW?
    Maybe.

  7. #7
    John Kuthe Guest

    Default Re: Metal in da' microwave

    On Fri, 03 Aug 2012 18:41:58 -0400, Nancy Young
    <[email protected]> wrote:

    >On 8/3/2012 6:26 PM, notbob wrote:
    >> Mom put her stainless steel coffee cup in the microwave and nuked it.
    >> No 4th of July! ?????
    >>
    >> They making M/Ws better, now? Special nukeable SS? What's up? I
    >> thought any metal was death to a M/W. I still stopped it thinking
    >> that's mebbe what killed the last one in less than a year.

    >
    >Many years ago, I read that you could use foil to protect
    >the corners of a baking pan from burning in a microwave, but the
    >foil had to be smooth. Perhaps the rounded mug didn't wreak
    >havoc with the microwaves.
    >
    >I've seen microwave ovens with metal racks.
    >
    >nancy


    I've heard of a person getting a nasty burn on their lip from a metal
    rimmed coffee cup in a microwave! OUCH! :-(

    John Kuthe...

  8. #8
    gloria p Guest

    Default Re: Metal in da' microwave

    On 8/3/2012 4:41 PM, Nancy Young wrote:

    >
    > I've seen microwave ovens with metal racks.
    >
    > nancy




    Mine had one until the rack slipped off its plastic bracket and, where
    it touched the side wall, burned a hole in the plastic liner.

    gloria p

  9. #9
    gregz Guest

    Default Re: Metal in da' microwave

    notbob <[email protected]> wrote:
    > Mom put her stainless steel coffee cup in the microwave and nuked it.
    > No 4th of July! ?????
    >
    > They making M/Ws better, now? Special nukeable SS? What's up? I
    > thought any metal was death to a M/W. I still stopped it thinking
    > that's mebbe what killed the last one in less than a year.
    >
    > nb



    It all depends on the size and shape of the metal. The wavelength is 5
    inches, and other sizes, 2.5, 1.25' inch, will all have their effects. Some
    pre sized, pre shaped objects might work. Get the wrong size, then you have
    problems. The interior of the oven has these hot spots, and nulls, with the
    above dimensions, because its reflecting off the metal walls. That's why
    you have a rotating platter. Some microwaves have a rotating wheel in the
    outlet of the microwave cavity. This breaks up, and varies the position of
    the hot spots instead of rotating platter. You see them mostly on
    commercial products. A microwave also does not like an empty cavity.
    Elevates voltages and can cause arching and failure. They used to
    demonstrate microwaves with a load consisting a lava brick. It would get
    warm. Or water. Popcorn is a poor load. adding a separate cup of water in
    there too, makes the magnetron tube happy.

    Metal also reflects microwaves, causing more problems.

    I used to put hoho's with the metalized foil in the microwave. Neat show.

    Greg

  10. #10
    gregz Guest

    Default Re: Metal in da' microwave

    notbob <[email protected]> wrote:
    > Mom put her stainless steel coffee cup in the microwave and nuked it.
    > No 4th of July! ?????
    >
    > They making M/Ws better, now? Special nukeable SS? What's up? I
    > thought any metal was death to a M/W. I still stopped it thinking
    > that's mebbe what killed the last one in less than a year.
    >
    > nb



    Stainless is also a poor conductor of electricity compared to aluminum.
    It's not going to react as bad.

    Greg

  11. #11
    gregz Guest

    Default Re: Metal in da' microwave

    gregz <[email protected]> wrote:
    > notbob <[email protected]> wrote:
    >> Mom put her stainless steel coffee cup in the microwave and nuked it.
    >> No 4th of July! ?????
    >>
    >> They making M/Ws better, now? Special nukeable SS? What's up? I
    >> thought any metal was death to a M/W. I still stopped it thinking
    >> that's mebbe what killed the last one in less than a year.
    >>
    >> nb

    >
    >
    > Stainless is also a poor conductor of electricity compared to aluminum.
    > It's not going to react as bad.
    >
    > Greg


    I'll throw in one more interesting point. On the door, the contact area, or
    distance is 1.25 inch wide. This acts as a 1/4 wavelength line, stopping
    most of the leakage out the cracks. They still leak some though. Keep the
    metal there, clean.

    Greg

  12. #12
    Ed Pawlowski Guest

    Default Re: Metal in da' microwave

    On 3 Aug 2012 22:26:06 GMT, notbob <[email protected]> wrote:

    >Mom put her stainless steel coffee cup in the microwave and nuked it.
    >No 4th of July! ?????
    >
    >They making M/Ws better, now? Special nukeable SS? What's up? I
    >thought any metal was death to a M/W. I still stopped it thinking
    >that's mebbe what killed the last one in less than a year.
    >
    >nb



    Think of how a lightning rod works. You've seen photos of a strike
    from the sky to the tip of a rod, top of a pointed building, and the
    like. Put a spoon in the cup (no matter the material of the cup) and
    you will get arcing from the spoon to the inner lining. Put flat
    metal, sheets of foil and usually nothing happens since you don't have
    that small pointed jumping off spot.

    Metal blocks the wave though, so cooking times will be longer.

    Perhaps we have an EE here that can explain it better.

  13. #13
    Tom Del Rosso Guest

    Default Re: Metal in da' microwave


    Ed Pawlowski wrote:
    >
    > Perhaps we have an EE here that can explain it better.


    Ask in sci.physics.electromag.


    --

    Reply in group, but if emailing add one more
    zero, and remove the last word.



  14. #14
    [email protected] Guest

    Default Re: Metal in da' microwave

    On 3 Aug 2012 22:26:06 GMT, notbob <[email protected]> wrote:

    >Mom put her stainless steel coffee cup in the microwave and nuked it.
    >No 4th of July! ?????
    >
    >They making M/Ws better, now? Special nukeable SS? What's up? I
    >thought any metal was death to a M/W. I still stopped it thinking
    >that's mebbe what killed the last one in less than a year.
    >
    >nb


    When I make candy I melt large amounts of chocolate in a large metal
    mixing bowl. Just make sure the metal doesn't touch the sides of the
    microwave.

    koko

    --
    Food is our common ground, a universal experience
    James Beard

    www.kokoscornerblog.com

    Natural Watkins Spices
    www.apinchofspices.com

  15. #15
    Michael Lalonde Guest

    Default Re: Metal in da' microwave

    My daughter used Vim spray to clean the microwave. It's not flammable
    but the result was like lightning, popping sounds and accompanying
    flashes of light. Needless to say she no longer wants to help her
    father clean the kitchen.

    Mike Lalonde
    Sudbury, Ontario - jumlers.com food catering

  16. #16
    Cheryl Guest

    Default Re: Metal in da' microwave

    On 8/3/2012 6:41 PM, Nancy Young wrote:
    > On 8/3/2012 6:26 PM, notbob wrote:
    >> Mom put her stainless steel coffee cup in the microwave and nuked it.
    >> No 4th of July! ?????
    >>
    >> They making M/Ws better, now? Special nukeable SS? What's up? I
    >> thought any metal was death to a M/W. I still stopped it thinking
    >> that's mebbe what killed the last one in less than a year.

    >
    > Many years ago, I read that you could use foil to protect
    > the corners of a baking pan from burning in a microwave, but the
    > foil had to be smooth. Perhaps the rounded mug didn't wreak
    > havoc with the microwaves.
    >
    > I've seen microwave ovens with metal racks.
    >


    Those metal racks always confused me in MW ovens.

  17. #17
    George M. Middius Guest

    Default Re: Metal in da' microwave

    Cheryl wrote:

    > Those metal racks always confused me in MW ovens.


    Confused? Poor thing. Take two bouillon cubes and have a lie-down.



  18. #18
    Cheryl Guest

    Default Re: Metal in da' microwave

    On 8/5/2012 4:58 PM, George M. Middius wrote:
    > Cheryl wrote:
    >
    >> Those metal racks always confused me in MW ovens.

    >
    > Confused? Poor thing. Take two bouillon cubes and have a lie-down.
    >
    >






  19. #19
    Nancy Young Guest

    Default Re: Metal in da' microwave

    On 8/5/2012 4:23 PM, Cheryl wrote:
    > On 8/3/2012 6:41 PM, Nancy Young wrote:


    >> Many years ago, I read that you could use foil to protect
    >> the corners of a baking pan from burning in a microwave, but the
    >> foil had to be smooth.


    >> I've seen microwave ovens with metal racks.
    >>

    >
    > Those metal racks always confused me in MW ovens.


    It was drilled into us, no metal in the microwave, and I saw
    firsthand the consequences when my former mil put a Melitta
    carafe with the metal band in to heat some coffee.

    So it was surprising to me when I read it. At some point,
    however the subject came up, I mentioned it to a couple of
    coworkers. The dumb one who knew everything about everything
    (and was always wrong) gave me her patented No you can't head shake.

    Of course, I never tried the foil thing, I am one of those
    who doesn't cook in the microwave, just heats.

    nancy


  20. #20
    Nancy Young Guest

    Default Re: Metal in da' microwave

    On 8/5/2012 7:00 AM, Michael Lalonde wrote:
    > My daughter used Vim spray to clean the microwave. It's not flammable
    > but the result was like lightning, popping sounds and accompanying
    > flashes of light. Needless to say she no longer wants to help her
    > father clean the kitchen.


    (laugh!) That's a guy trick! Oh, I messed up the laundry,
    you'd better do it from now on.

    I mean, not any guy I know, I've heard of it, though. Hee.

    nancy

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