Because there is more demand to heat things quickly (to eat) rather than to freeze them quickly.
Things have been "invented" to freeze quicly, but they haven't been made commercially available due to safety, practicalilty, cost and lack of demand.
2006-11-29 23:54:04
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answer #1
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answered by Willy 2
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In a home environment, it's considerably easier to add energy (heat it up) to something quickly, than it is to remove it. Of course, if you add energy too quickly, your food will explode (I'm sure this has happened to anyone using a microwave). As far as cooling. just dip your food in liquid nitrogen. It will flash freeze in a second or two, but I'm not sure I would consider eating it once it thaws!
Typical production freezing of fast food dinners involves passing the trays between two extremely cold refrigerated plates. This freezes the food in probably about the same amount of time it takes to microwave it, however, the machine is rather large, and extremely expensive, so not practical for use around the home
2006-11-30 07:56:40
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answer #2
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answered by Xander 2
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They already have but nothing commercially available due to the high costs of the process.
2006-11-30 07:58:37
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answer #3
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answered by willowGSD 6
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That'll be a freezer then
2006-11-30 07:50:51
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answer #4
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answered by leedsmikey 6
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They can. It has the perplexing name 'freezer'
2006-11-30 07:51:34
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answer #5
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answered by siploos 2
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liquid nitrogen sprayed on food when the door is closed?? would be expensive but works lol
2006-11-30 07:50:22
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answer #6
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answered by stuio 3
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don't know but good idea....why not invent it and make millions
2006-11-30 07:50:24
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answer #7
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answered by Anonymous
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