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Of course it works. All you need to do is collect over a wide enough area
and focus it to a small enough area. Remember it is the power/area that is
being quoted. I wonder if it has any practical applications.
John M. Clement
Houston, TX
-----Original Message-----
From: Phys-l [mailto:phys-l-bounces@phys-l.org] On Behalf Of
Folkerts, Timothy J
Sent: Monday, August 12, 2013 10:46 PM
To: Phys-L@Phys-L.org
Subject: [Phys-L] Sunlight Brighter Than The Sun???
Here is a link to Nature that seems to claim to be able to
focus sunlight on the earth *even* *brighter* than the
sunlight leaving the sun (72 MW/m^2 vs 64 MW/m^2. This would
seem to me to be a violation of the 2nd Law of Thermodynamics.
It comes from the University of Chicago, which is is pretty
reputable place. Any thoughts?
http://www.readcube.com/articles/10.1038/346802a0?locale=en
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