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[Jul. 5th, 2006|10:52 am]
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A microwave oven works by passing microwave radiation, usually at a frequency of 2450 MHz (a wavelength of 12.24 cm), through the food. Water, fat, and sugar molecules in the food absorb energy from the microwave beam in a process called dielectric heating. Most molecules are electric dipoles, meaning that they have a positive charge at one end and a negative charge at the other, and therefore vibrate as they try to align themselves with the alternating electric field induced by the microwave beam. This molecular movement creates heat. Microwave heating is most efficient on liquid water, and much less so on fats, sugars, and frozen water.

cool nebiju iedomaajies tieshi kaapeec kaut kas uzsilst!
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Comments:
From:[info]inx
Date:July 5th, 2006 - 12:16 pm
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tātad mazās ēdiena molekuliņas berzējas viena pret otru...?
From:[info]zive_
Date:July 5th, 2006 - 12:49 pm
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negluzhi, driizaak vienkaarshi intensiivi kustaas vai pareizaak teikt raustaas radot siltumu.

Nu vareetu teikt ka elektromagneetiskajam vilnim ir mainiiga polaritaate, nu tas ir kaa magneets, kas nepaartraukti maina savu + un - galu atrashanaas vietas. Mazaas molekulas kuras ir kaut kaa laadeetas raustaas shurpu turpu, elektromagneetiskaa lauka ietekmee.
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From:[info]axa
Date:July 5th, 2006 - 01:34 pm
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bet no šīs radiācijas nevar būt arī kādas blakus parādības par ko mēs vēl īsti nenojaušam?
From:[info]zive_
Date:July 5th, 2006 - 02:36 pm
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Nu mikrovilnji ir tie pashi elektromagneetiskie vilnji, kaa gaisma, tikkai ar savaadaaku frekvenci, mazaaku frekvenci un automaatiski lielaaku viljnja garumu. Nu un paraadiibas no radiaacijas ir taadas kaa no radiaacijas, cilveeks pie taam ir pieradis, mums apkaart taa jau ir radioaktiivais fons, un mees tiekam apstaroti nepaartraukti, tikkai aarkaartiigi nenopietni.

Lai gan man liekas pastaav kaut kaadi ierobezhojumi, cik liela driikst buut shii radiaacija mikroviljnju kraasniim bla bla bla.