On 12/27/2016 9:07 AM, jmcquown wrote:
> On 12/27/2016 7:11 AM, Janet wrote:
>> In article >,
>> says...
>>>
>>> Cats can't see colors.
>>
>> But they can see (and chase) a dancing light bouncing around the room
>>
>>> Where would you buy a prism?
>>
>> When I started buying them in the 1970's, I could find them in junk
>> shops for pennies; as the surviving parts bits of old crystal
>> chandeliers that had broeken and been taken apart.
>>
>> New prisms are available from Swarovski Crystal. I don't think they
>> match the quality and cut facets of older full-lead handcut crystal.
>>
>> http://starry-eyed.com/prisms/gallery/newSwarovski.html
>>
>>
>> Janet UK
>>
>
> I like the idea of reusing the chandelier crystals. Yes, the old lead
> crystal really would bring a lot of brilliance. I'll bet you can still
> find things like that at second-hand shops if you think to look for
> them.
>
> I have one of these:
>
> http://tinyurl.com/jyxjp8v
>
> It's filled with water. I have no idea if my cat Persia could *see* the
> rainbows the way we can see them. But she sure loved chasing them
> around on the floor!
>
> Jill

try a laser pointer.