Tag - Exploding Water

December 3, 2008

Exploding Water Experiment Hits Home for Reader

Microwave Boiling Water Explosion‘Tis the season for spending time in the kitchen making those holiday feasts. So, when we were choosing a timely experiment to send in our Experiment of the Week email, we figured that Exploding Water in the Microwave was a great choice to make sure everyone had a safe and happy holiday.  Our choice was affirmed when a reader took the time to let us know about the value of this experiment…

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I was very interested to receive the email about water from the microwave exploding. Let me tell you my story. I make a pot of c

offee in the a.m. and then just reheat it in a mug throughout the day. I have done this for many years. Several months ago, without any thought, I went through my usual routine coffee heating, same mug, same power, same time as always. When completed, I set the mug on the counter and, as always, added a spoonful of powdered coffee creamer. The reaction was unbelievable and so fast that, initially, I could not comprehend what had happened. There was

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November 24, 2004

Warning! Water Can Explode in the Microwave

Exploding Water in the MicrowaveHeating water in the microwave can actually be dangerous. A man decided to have a cup of instant coffee, so he heated a cup of water in the microwave. When the timer went off, he removed the cup from the microwave and noticed that the water had not boiled. Just then, the water literally “blew up” in his face. His whole face was blistered with first and second degree burns, which left some permanent scaring and damage to his left eye. While at the hospital, the doctor attending him stated that his is a fairly common occurrence. Water (alone) should never be heated in a microwave oven. Why?

Read the full explanation of Exploding Water in the Microwave

This phenomenon is known as superheating. It can occur anytime water is heated – especially if the cup or bowl 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 in it that provide a place for the bubbles to form (called nucleation

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