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Re: Streamer growth and filming it all (was Re: Corona andSphere - Puzzle -addition)



Bazelyan and Raizer, "Spark Discharge", has a number of streak camera
photos of developing HV sparks (1 MV+). They might have used an image
intensifier (i.e. night vision goggles), or an electronic streak camera
(fastest of fast).

True enough, the spark isn't very luminous, but, it is luminous enough to
get an image on film. Unlike bullet photography, etc., where you depend on
the subject to reflect light, with a spark, the subject generates its own
light.