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- Newsgroups: comp.sys.hp48
- Path: sparky!uunet!charon.amdahl.com!pacbell.com!decwrl!csus.edu!netcom.com!payner
- From: payner@netcom.com (Rich Payne)
- Subject: Re: Micro waves and fat and water
- Message-ID: <1993Jan26.232154.6713@netcom.com>
- Organization: Netcom - Online Communication Services (408 241-9760 guest)
- References: <1993Jan23.181227.19615@ugle.unit.no> <1993Jan25.170009.6693@netcom.com> <1k1k14INNcel@emmental.csv.warwick.ac.uk>
- Date: Tue, 26 Jan 1993 23:21:54 GMT
- Lines: 41
-
- In article <1k1k14INNcel@emmental.csv.warwick.ac.uk> phudl@csv.warwick.ac.uk (Mr S J Liddicott) writes:
- >In article <1993Jan25.170009.6693@netcom.com> payner@netcom.com (Rich Payne) writes:
- > >In article <1993Jan23.181227.19615@ugle.unit.no> eyvind@Lise.Unit.NO (Eyvind Bernhardsen) writes:
- > >>In article <1993Jan23.030545.24088@netcom.com>, payner@netcom.com (Rich Payne) writes:
- > >> > In article <1993Jan19.164320.14325@doug.cae.wisc.edu> kolstad@cae.wisc.edu (Joel Kolstad) writes:
- > >> > >use a different frequency than radar dishes, though you're quite right that
- > >> > >both are technically microwaves. (Microwave ovens are tuned to create the
- > >> > >greatest loss tangent in water.)
- > >> > Really, then why do fats heat so much faster?
- > >>Specific heat capacity? More energy required per unit mass to heat by one
- > >>degree (pick your unit)? Think about it... :)
- > >No need to think about it. The claim was made that microwaves are tuned to heat
- > >-water-. This is not true. This was the point which I was attempting to address,
- > >unsuccessfully it would seem.
- >
- >I think they are tuned to get the greatest heat transfer to water.
- >*Not* so that water will be heated better than anything else.
-
- My understanding is that different countries use different frequencies
- for microwaves, none of which are of any significance WRT water. There was
- a protracted discussion on this in sci.skeptic.
-
- >The fact that the same frequency also heats fats well is by the by;
- >no doubt a frequency could be picked which wouldn't heat fats much, but
- >than as far as the water goes, it wouldn't be the best.
-
- Someone already posted the correct answer, fat has a much lower heat capacity
- water.
-
- >--
- >*----------*-------------------------------------------------------------*
- >| Sam Jam|"Never underestimate the importance of a cheap laugh"- |
- >| Liddicott| phudl@csv.warwick.ac.uk Plucky Duck TTA |
- >*------------------------------------------------------------------------*
-
-
- Rich
-
- payner@netcom.com
-
-
-