🚀 go-pugleaf

In article <MPG.18df4f8570c5980b98a0ab@news.inreach.net>, Watson 
"Ammonium Chloride" Name <alondra101@hotmail.com> says...
> In article <3e759b34@iridium.webone.com.au>, russell@remove.thehovel.net 
> mentioned...
> > 
> > "Richard Crowley" <rcrowley7@xprt.net> wrote in message
> > news:v7alqfnnv6hfcf@corp.supernews.com...
> > > "Klaus Vestergaard Kragelund" wrote
> > > > I guess mains flicker would be a major problem in the USA, don't know
> > > about
> > > > New Zeeland/Australia. In Denmark it happens were seldomly in residental
> > > > areas.
> > >
> > > Why?  Mains frequency is 20% HIGHER in USA
> > >
> > > PAL video flicker is quite noticable to many visitors from USA
> > 
> > In production circles, we call that "Film Look" :)
> > 
> > Seriously, given the thickness of the filament in QH lamps and therefore how
> > slowly they heat up and cool down, I'd be very surprised if you could see AC
> > flicker. Certainly nothing like fluorescent flicker.
> > 
> > Russ.
> 
> A few weeks ago I connected a photovoltaic cell to an earphone.  I could 
> walk around with the earphone to my ear and put the photocell near 
> lights and TV screens, video screens,  etc.  I could hear which type of 
> light gave off the must hummmmm or buzzzzz.  Well the CF lights were a 
> lot louder than the incandescents.

Is this somehow surprising?  As much as I despise fluorescents, 
even I don't see with my ear.

-- 
  Keith