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Posted by Carl A. Willis on Tuesday 12 February 2013 - 07:22:49
...clear at all, just fun stuff involving decorative plasmas. I put together a small high-vacuum system based on a Pfeiffer TPD-20 drag pump, rounded up...
Posted by Carl A. Willis on Tuesday 12 February 2013 - 07:22:49
Thanks for the info Carl, I think that explains this effect that I saw with my old plasma tube. It wouldn't light any more from the built-in driver, s...
Posted by Carl A. Willis on Tuesday 12 February 2013 - 07:22:49
No, I junked it many years ago. It started out with the ordinary mix used in plasma balls, giving blue streamers with orange tips. According to your f...
Posted by Carl A. Willis on Tuesday 12 February 2013 - 07:22:49
Have you seen the plasma sculptures by Mundy Hepburn http://www.youtube.com/watch?v=S4TU7j9uJv4 ? He has some really interesting gas mixtures and he m...
Posted by Carl A. Willis on Tuesday 12 February 2013 - 07:22:49
... goal is any sort of serious involvement with the plasma displays. I'll take your word that it's cheap gas, but the expense comes in when you conside...
Posted by Carl A. Willis on Tuesday 12 February 2013 - 07:22:49
I've found Bill Parker's original (and apparently only) patent relating to plasma globes. Three of the mixtures he patented use Helium, one with a PP ...
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