[A83] Re: Happy (new year) and Euro)
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[A83] Re: Happy (new year) and Euro)
On Wed, 2 Jan 2002 10:52:10 +0100, "Henk Poley" <HPoley@DDS.nl> wrote...
>> Van: Gavin Olson <gtolson@snet.net>
>>
>> >The new Euro's give a neat effect when put against a blacklight.
>> >(just tried it out).
>> >
>> >They show tiny fibers lighting up in read, blue and green, and the back
>of
>> >the European flag shines greenish
>> >
>>
>> Ah. I remember this stuff when the new US bills came out. Microprint,
>> black-light areas, hidden pictures. What fun. Of course, the stuff is
>> almost impossible to verify in a supermarket checkout, but thats fine.
>
>Hidden pictures is a funny technique, you print dots just as close together
>that the (avarage) fotocopier sees them as one (bigger) dot, that way you
>can clutter big patches together so a new picture appears when you fotocopy
>the thing.
Hey, something like that is in my maths (or was it physics?) book. With
interference patterns made by lines.
>The main problem is that if the fotocopiers get better (higher resolution)
>it won't work anymore. But that's not a realy big problem since there is no
>special need for better copiers.
What about the black-money business? They need better copiers. :)
Would they make their own? Just curious. Or would there be copiers of that
quality somewhere?
>And about blacklight areas, most stores in my neighbourhood now have such a
>blacklight-box. Then off coarse they'll only use it if they think you are
>fakeing them...
>
> Henk Poley <><
=Ronald
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