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Re: Five inch lightning from bare fingertips (argon videos)

Original poster: William Beaty <billb@xxxxxxxxxx>

On Sun, 11 Sep 2005, Tesla list wrote:

> Original poster: William Beaty <billb@xxxxxxxxxx>
>    http://amasci.com/tesla/heli1.html
> I added some thumbnail-sized MPEG videos to the "One Atmosphere Plasma
> Globe" page above.

The arcs are pretty dim because the room was brightly lit.  I'll post some
more videos filmed in the dark.

The argon pool effect is really cool.  You can "touch" the invisible
surface of the argon with the tip of a violet-wand TC, and it instantly
fills the bowl with white streamers.

I tried helium in an upside-down bowl, but it gives very dim purple blobby
discharges, not white streamers.

Neon would probably work too (though Neon is also lighter than air, so the
bowl would need to be inverted.)





> If you have some welder's argon available, plus a glass bowl and a small
> Tesla coil, you can use the TC to "feel" the surface of the invisible
> argon pool.  It creates a "plasma globe" display at one atmosphere.
>
> Or if you connect the TC to a foil electrode outside the bowl, you can
> stick your hand into the argon pool, and inches-long white discharge
> filaments will shoot form your fingertips.  Stings a bit.  Use your
> knuckles instead.
>
> I wanna be a Main Terminal: stick my whole head into a large bowl of argon
> and make plasma streamers shoot out of my scalp.
>
>
> (((((((((((((((((( ( (  (   (    (O)    )   )  ) ) )))))))))))))))))))
> William J. Beaty                            SCIENCE HOBBYIST website
> billb at amasci com                         http://amasci.com
> EE/programmer/sci-exhibits   amateur science, hobby projects, sci fair
> Seattle, WA  206-789-0775    unusual phenomena, tesla coils, weird sci
>
>

(((((((((((((((((( ( (  (   (    (O)    )   )  ) ) )))))))))))))))))))
William J. Beaty                            SCIENCE HOBBYIST website
billb at amasci com                         http://amasci.com
EE/programmer/sci-exhibits   amateur science, hobby projects, sci fair
Seattle, WA  206-789-0775    unusual phenomena, tesla coils, weird sci