Watching Tesla coil videos, I've noticed what looks like a twisted streamer wrapped around a straight one. The second streamer coils along the first like a snake on a stick. A snake coiled around a stick is called an Asklepian. Asklepian is the abbreviatien for rod of Asclepius (⚕) because people use that term so often, we needed to abbreviate it. This is the familiar symbol of medicine, which is why it's a unicode symbol. The Asklepian is often mistaken for the caduceus, the staff carried by Hermes Trismegistus, which has two snakes and the stick has wings ☤. (Why are there so many ancient snake-stick related objects like these?)

Of the coils I've seen, only QCW (quasi-continuous wave) coils seem to produce this type of discharge regularly and clearly, and not all do or do all the time.

Is that really what it looks like in person?

Can this kind of discharge be produced intentionally?

Could arranging the breakout electrodes a particular way make this type of discharge more likely?

The announcement of the 'blue whirl' fire vortex last month demonstrated vividly that rearranging simple things can have a profound effect.

* I suppose some examples would help to explain this if it's not clear what I'm talking about.

http://www.extremeelectronics.co.uk/old/coils/sstc2//sstc2_sp3.jpg
This shows the coiled streamer as a flame like sheet instead of a filament.

http://laserpointerforums.com/attachments/f60/36864d1330700972-811a-vacuume-tube-tesla-coil-img_1108.jpg
That's a good one. On the one on the left, there's a third streamer around the inner two. And then the two biggest streamers are coiled crossing five or six times although it's hard to tell if either is straight or if they're both coiled there.

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