An Indian Civilizational Perspective

Micro waved water – a MUST read

A 26-year old decided to have a cup of 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 build up 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 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 teakettle.

General Electric’s (GE) response:

Thanks for contacting us. I will be happy to assist you. The
e-mail that you received is correct. Microwaved water and other liquids do not always bubble when they reach the boiling point. They can actually get superheated and not bubble at all. The superheated liquid will bubble up out of the cup when it is moved or when something like a spoon or tea bag is put into it. To prevent this from happening and causing injury, do not heat any liquid for more than two minutes per cup. After heating, let the cup stand in the microwave for thirty seconds before moving it or adding anything into it.

Also read:  Close Shave

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6 Comments
  1. Anonymous says

    A cup of water should never be heated more than 1min 50 seconds in a high powered microwave (1500 watts). Over 2 minutes the risk of this thing happening is v.high.

    Microwave heating can be a hazard.. One of my old collagues had severed throat burns after swallowing rice heated in a microwave – it wasn’t uniformly heated and he did not realize.
    Also, never put anything metallic in a MW – can catch fire.

  2. Anonymous says

    A cup of water should never be heated more than 1min 50 seconds in a high powered microwave (1500 watts). Over 2 minutes the risk of this thing happening is v.high.

    Microwave heating can be a hazard.. One of my old collagues had severed throat burns after swallowing rice heated in a microwave – it wasn’t uniformly heated and he did not realize.
    Also, never put anything metallic in a MW – can catch fire.

  3. Mitul says

    Nice to see to your blog.

  4. Mitul says

    Nice to see to your blog.

  5. Richa says

    I microwave water and food all the time. We have to carefully pour liquid contents into another glass or cup after heating in the microwave to ensure uniform heating and check temperature by touching b4 consuming. Secondly, rice and other food must be heated with a lid on loosely fitted on top, this ensures build up of steam, and hence the food doesn’t become dry. Also, pls mix food thoroughly after heating and check by touching b4 consuming. If we take care of simple, basic do’s n don’ts, we can be “microwave efficient!!”

  6. Richa says

    I microwave water and food all the time. We have to carefully pour liquid contents into another glass or cup after heating in the microwave to ensure uniform heating and check temperature by touching b4 consuming. Secondly, rice and other food must be heated with a lid on loosely fitted on top, this ensures build up of steam, and hence the food doesn’t become dry. Also, pls mix food thoroughly after heating and check by touching b4 consuming. If we take care of simple, basic do’s n don’ts, we can be “microwave efficient!!”

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