http://www.misty.com/~don/donflash.html
Chris Gupta
At 08:03 AM 10/1/98 -0700, Ron wrote:
>>From the sci.physics.plasma news group...ron
>Local Echo wrote:
>>
>> A few minutes ago, I modified a strobe light of my own design.
Basically, I
>> placed 2 100 ohm, 10W resistors between the discharge path of the
capacitors
>> and tube (U-shaped). The result was intermittent (about 2 seconds off
and .5
>> seconds on) arcs inside the tube. They were quite easly affected by
magnetic
>> fields. In one instance, I was able to twist the arc, almost into a loop
(by
>> placing a Radio Shack ceramic ring magnet perpendicular to the horizontal
>> axis.). In another, I was able to widen the visible volume of plasma by
placing
>> the magnet parallel to the horizontal axis. (For all I know, the plasma
may be
>> spiraling very tightly.) When I flipped around the magnet and added one
on the
>> other side of the tube to where the magnets were attracting, the opposite
>> happened and I could see plasma extending beyond the normal area of the
cathode
>> (Colliding with the glass floor where the electrode to the cathode
emerges. Is
>> it actually creating a jet of plasma? I know a little about plasma, but
it's
>> hard to find detailed information anywhere on the subject. Can anyone
explain
>> some of what's going on, and perhaps even refer me to a good site on the
>> subject?
>
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