🚀 go-pugleaf

In article <CnCLnu.1H6@zoo.toronto.edu> henry@zoo.toronto.edu (Henry Spencer) writes:
>In article <2modm1$mpd@engnews2.Eng.Sun.COM> bender@oobleck.eng.sun.com writes:
>>Does anyone know where I can rent/buy a device that will let me "see" the
>>heat that is escaping from my house?  I'm trying to figure out where I'm
>>getting heat loss, and some sort of a device similar to IR night vision
>>goggles seems like it would be the right thing to use.
>
>In particular, most infrared night-vision devices see *short-wavelength*
>IR, just below the visible.  You won't get any indications of temperature
>out of them; thermal IR is *long-wavelength* IR.  Imaging in thermal IR
>is much harder and the devices that do it tend to incorporate fun things
>like liquid-nitrogen cooling.  You definitely want to rent or borrow, not

I called up my local GE Rental company last week.
A modest handheld unit costs $1k/week. (OUCH)

You don't want to know what the wizbank computer-ready unit costs.
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