"Steve B" > wrote in message
...
>
> "dsi1" > wrote in message
> ...
>> On 4/15/2010 12:01 PM, George Leppla wrote:
>>> http://www.snopes.com/science/microwave.asp
>>>
>>>
>>> A friend sent me the above link. Apparently if the conditions are right,
>>> you can cause water to explode by heating it in a microwave.
>>
>> Just as water can be cooled below its freezing point and remain a liquid,
>> it can also be brought to a temperature above its boiling point without
>> boiling. "Explode" is a bit of an exaggeration. Mostly, it boils and
>> spits a bit and flows over the container. This can happen if water of
>> high purity is heated in a clean cup or glass in a microwave. Make sure
>> you try this at home kids! :-)
>>
>>>
>>> George L
>
> Once I pulled a cup of reheated coffee out of the microwave. It looked
> normal. I put some sugar on it, and it boiled and foamed and spit all
> over the counter, like one of those teenage science volcano projects.
>
> Steve
>

Tea bags can give a similar reaction. I know enough not to cook an egg in
the microwave. A couple of weeks ago I peeled a hard boiled egg from the
fridge, Nuked it for 30 seconds. When I cut into it with a knife, yolk shot
out all over! Never expected that.