Diatomic hydrogen is bigger than helium, less prone to diffusing through a membrane.
That's part of why the comment said "a percentage" you don't have to refill.
https://news.ycombinator.com/item?id=29096388
Then click parent. Go ahead, I’ll wait.
Smugness indeed.
If you want to understand this thread, I suggest you start at the start.
Hint 1: I gave you the name of the person I answered to.
Hint 2: No matter how often you repeat it, it wasn't you.
Hint 3: Maybe it helps if you draw a flow chart of the different statements in the conversation!
But, see, don't worry. Because you jumped into a conversation between the post I replied to and myself, I assumed you had to add something to that conversation. I realize that I was mistaken and you just swooped in to offload some unrelated fun fact. My bad, won't happen again!
Yes, there was a higher level comment from someone else. But it wasn’t the one you replied to.