StoryNote
Log in
|
Sign up
If hydrogen is lighter than helium, why don't we fill balloons with hydrogen?
by
/u/nic0lk
in
/r/askscience
Read on Reddit
Upvotes:
0
Favorite this post:
Mark as read:
Your rating:
--
10
9
8
7
6
5
4
3
2
1
0
Add this post to a custom list