RE: Re: New HIE Problem (Lines) and Re: (fwd) Re: Isn't IR

["Willem-Jan Markerink" <w.j.markerink@xxxxx>]

On 20 Jul 98 at 9:28, Theo Benson wrote:

> If you wish further confusion (and who doesn't?) consider this: pure
> ultraviolet light isn't visible to us, either! But it is visible to
> honeybees, butterflies, and other insects.

As well as some predator-birds....seems some track down mice by their 
UV-reflective (not fluorescent!) trail of urine....

 

- -- 
Bye,

Willem-Jan Markerink


      The desire to understand 
is sometimes far less intelligent than
     the inability to understand


<w.j.markerink@xxxxx>
[note: 'a-one' & 'en-el'!]
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