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Registered Member #347
Joined: Sat Mar 25 2006, 08:26AM
Location: Vancouver, Canada
Posts: 106
What happens when you put water in a bottle, superglue a metal stopper in, put it in a microwave, and get out of the room? 12 minutes and approximately 160 deg. C later:
Full Speed: (60fps), 3.9MB
Slow motion:(5fps) 2.0MB
The results quite literally blew away our expectations. When the bottle broke, the force of the flash boiling water blew the door open, the edge of the door moving at over 60km/h. The entire garage was filled with a cloud of steam, and glass shards flew everywhere. Please DO NOT try this at home unless nobody is in the room and you don't care about the microwave.
Registered Member #53
Joined: Thu Feb 09 2006, 04:31AM
Location: Ontario, Canada
Posts: 638
>_< the same thing happens, but on a much smaller scale, if you forget to peel back the corner on your TV dinner. Now I'm going to go eat my pasta explosion.
Registered Member #79
Joined: Thu Feb 09 2006, 11:35AM
Location: Arkansas
Posts: 673
I was on a guy's website a couple years ago. He was talking about the day he put one of those "Blue Ice" things in his microwave, so he could keep his meatloaf hot or something. He said it about gave him a heart attack and it blew the door completely off. What a moron.
Registered Member #56
Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
the link to the video doesnt work for me, but if it is the one I am thinking of it is not a fake.
The way it works is as you microwave the liquid it heats up, normally it would boil but since it is in a sealed container it just builds pressure (look up a vapor pressure/temp curve of water, at 200c the vapor pressure of water is like 200psi! So as the water heats up it stores up all of the energy until the container eventually breaks. The causes the water to be at 15psi (1atm), so it can boil. So all of the energy stored as it heated up is suddenly released as the water boil and you end up with superheated steam... Which creates the explosion.
This would happen to water heaters before they added pressure relief valves. If the burner were to get stuck on it would heat the water until the tank burst... Then all of the water boils and the whole things takes off like a rocket, and blows right through the roof and goes a few hundred feet!
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Superheating Water in a Sealed Glass Bottle
What a moron.
