[Prev][Next][Index][Thread]
Re: UV Detection methods was Ultraviolet light from brushdischarge.
Alex,
> Sounds like possible phosporescence to me. It could either be a treatment
on
> the carpet, or (is it a wool or wool-mix carpet?) perhaps some natural
> phosphors contained in the wool itself. Next time I'm out in the conutry,
> I might try a flashgun on some sheep.... Another possibility is that the
highly
Yeah, at the time I attributed it to a natually occuring phosphor, and
didn't think much of it until this thread of posts.
> ionised stream of particles flowing across the surface of the fibres left
a
> subtantial charge on the carpet, and as it leaked away it was actually
corona
> you were seeing. Carpet is of course a great electostatic material, as
*anyone*
Nah, I've got lots of experience with such things from my Van De Graff
generator. This wasn't an electrostatic charge, though that is a logical
idea.
> who's walked with plastic-soled shoes on a carpet on a dry day will know
when
> they touch a doorknob.... However due to possible risks and ear-bending
from
> other 'carpet-users' I would perform the next test under more 'controlled'
> conditions!
LOL, I actually got a cabinate for my coil now. My workmanship is soo bad
when it comes to building such things that I just slapped some wheels on a
wooden end table.
Regards,
Troy Peterson [VE7SOK]
highboltage-at-mad.scientist-dot-com
>
> Alex
>
>
>
>
> <snip>
>
>
> > after I turned off the coil there was a glowing violet
> > plume on the carpet in the direction that the fan was blowing (through
the
> > back of the gap, like a jet engine exhaust). It was like there was
> > glow-in-the-dark material in the carpet, and it lasted clearly vissible
for
> > at least 5 secconds before fading away. Has anyone ever heard of unlikly
> > materials aquiring(storing) UV energy like this and slowly releasing
> > it? -thought it was weird anyway.
> >
> > Troy Peterson [VE7SOK]
> > highvoltage-at-mad.scientist-dot-com
>
>
>
>