[ExI] Small scale solar payback time (was Re: Planetary defense)

[Samantha Atkins]

On 05/17/2011 12:01 PM, Eugen Leitl wrote:
> On Tue, May 17, 2011 at 11:01:44AM -0700, Keith Henson wrote:
>> On Tue, May 17, 2011 at 10:44 AM, Keith Henson<hkeithhenson at gmail.com>  wrote:
>>
>> snip
>>
>>> The fast payback would be an incredible economic bonanza.
>> http://www.eurekalert.org/pub_releases/2011-05/uom-nsp051611.php
>>
>> It might be here.
>

Hmm.  So I can recharge batteries from the heat my CPU puts out or run 
the cooling units with it?  It doesn't say how efficient it is on heat 
energy alone.   Capturing waste heat has all kinds of interesting 
possibilities.