Hydrogen Balloons
6community score
1mentions
1discussions
1sharers
1days active
—story pointsall mentions are comments
Hacker News discussions
1 independent threadUS designates helium as a critical material
“It can! :) https://www.youtube.com/watch?v=QhpF10H9G-M”— ssl-3, when sharing this video · read the comment ↗+ 1 comment mention in this thread ↗