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Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren't you making a point hotter than the ambient temperature without losing energy?

Newsgroups sci.physics
Date 2015-10-09 13:19 -0700
References (1 earlier) <acbdd41e-5222-4366-8c91-d1dced6f9f3a@googlegroups.com> <Fs-dnRtG5aWJYorLnZ2dnUU7-Q-dnZ2d@giganews.com> <95bf1967-ee0b-4671-974d-55239fc302be@googlegroups.com> <0a2622d0-2b0f-499c-8f9e-7b0002a5943b@googlegroups.com> <h7udnX-Av-c4goXLnZ2dnUU7-QednZ2d@giganews.com>
Message-ID <cb27f975-8c77-41b1-93be-e4e96d4f3447@googlegroups.com> (permalink)
Subject Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren't you making a point hotter than the ambient temperature without losing energy?
From "Ross A. Finlayson" <ross.finlayson@gmail.com>

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On Friday, October 9, 2015 at 1:12:24 PM UTC-7, Sam Wormley wrote:
> On 10/9/15 2:57 PM, Ross A. Finlayson wrote:
> > Images flip instead of spin!
> 
>    What do you mean?
> 
> 
> -- 
> 
> sci.physics is an unmoderated newsgroup dedicated
> to the discussion of physics, news from the physics
> community, and physics-related social issues.

This is over the focus!

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Thread

How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren’t you making a point hotter than the ambient temperature without losing energy? Sam Wormley <swormley1@gmail.com> - 2015-10-08 19:53 -0500
  Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren't you making a point hotter than the ambient temperature without losing energy? Double-A <double-a3@hush.com> - 2015-10-08 17:58 -0700
    Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren't you making a point hotter than the ambient temperature without losing energy? Poutnik <poutnik4nntp@gmail.com> - 2015-10-09 08:07 +0200
      Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren't you making a point hotter than the ambient temperature without losing energy? Angelo <patrizio.pan-2002@libero.it> - 2015-10-09 09:18 -0700
        Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren't you making a point hotter than the ambient temperature without losing energy? Poutnik <Poutnik4NNTP@gmail.com> - 2015-10-09 18:54 +0200
  Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren’t you making a point hotter than the ambient temperature without losing energy? jimp@specsol.spam.sux.com - 2015-10-09 04:09 +0000
    Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren’t you making a point hotter than the ambient temperature without losing energy? Sam Wormley <swormley1@gmail.com> - 2015-10-09 09:30 -0500
      Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren’t you making a point hotter than the ambient temperature without losing energy? jimp@specsol.spam.sux.com - 2015-10-13 00:37 +0000
        Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren’t you making a point hotter than the ambient temperature without losing energy? Sam Wormley <swormley1@gmail.com> - 2015-10-12 21:23 -0500
          Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren’t you making a point hotter than the ambient temperature without losing energy? jimp@specsol.spam.sux.com - 2015-10-13 02:56 +0000
  Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren't you making a point hotter than the ambient temperature without losing energy? Angelo <patrizio.pan-2002@libero.it> - 2015-10-09 09:26 -0700
  Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren't you making a point hotter than the ambient temperature without losing energy? "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2015-10-09 10:49 -0700
    Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren't you making a point hotter than the ambient temperature without losing energy? Sam Wormley <swormley1@gmail.com> - 2015-10-09 12:53 -0500
      Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren't you making a point hotter than the ambient temperature without losing energy? Bret Cahill <bretcahill@aol.com> - 2015-10-09 12:54 -0700
        Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren't you making a point hotter than the ambient temperature without losing energy? "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2015-10-09 12:57 -0700
          Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren't you making a point hotter than the ambient temperature without losing energy? Sam Wormley <swormley1@gmail.com> - 2015-10-09 15:12 -0500
            Re: How do lenses that concentrate light not violate the second law of thermodynamics? If you use a magnifying glass to burn ants, aren't you making a point hotter than the ambient temperature without losing energy? "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2015-10-09 13:19 -0700

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