> hydrogen is tiny so tends to leak out of containers I'm not a materials person, so please point out the error the following thought experiment. Use a cylind

> hydrogen is tiny so tends to leak out of containers I'm not a materials person, so please point out the error the following thought experiment. Use a cylindrical vessel with an opening at the bottom. Fill with hydrogen, then fill with a liquid that is heavier than hydrogen (so it sits at the bottom), then plug it. Hopefully the heavier liquid is less "leaky". Would this work?