undefined | Better HN

0 pointsinlined9y ago0 comments

Why do you say there's no vacuum? That's one of the steps in the videos.

0 comments

Technically, at the end of the process, the resulting tube's gas pressure is high enough to be called "low pressure" rather than, say, "rough", "medium", or "high vacuum".

j / k navigate · click thread line to collapse

0 pointsinlined9y ago0 comments

Why do you say there's no vacuum? That's one of the steps in the videos.

0 comments

dekhn9y ago

Technically, at the end of the process, the resulting tube's gas pressure is high enough to be called "low pressure" rather than, say, "rough", "medium", or "high vacuum".

j / k navigate · click thread line to collapse