Thread: Zero emission?
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Old 1st Aug 2021, 9:06 pm   #12
Philips210
Nonode
 
Join Date: May 2007
Location: Redruth, Cornwall, UK.
Posts: 2,579
Default Re: Zero emission?
Hi.

I know this may sound far-fetched but is it possible for helium gas to enter through the slightly permeable glass envelope and therefore ruin any useful emission? I recall reading something similar in the past.

Regards,
Symon
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