They don't glow so much as fluoresce; that is, under ultraviolet light
they reflect back in the visible part of the spectrum. You'd only see
the effect under black light.

In article
,
Modemac wrote:

http://inventorspot.com/articles/sci...nthedark__9191

That's not flourescent paint or dye - those really are cloned cats
with proteins added to their genetic mixture to make them glow.

--
The High Weirdness Project
http://www.modemac.com