And will hydrogen ever run out? I mean, it IS the most abundant element in the universe, but there’s only so much “universe” humans can reach, and it’s not like anything on Earth just makes water.

(may be broke/outdated!)
And will hydrogen ever run out? I mean, it IS the most abundant element in the universe, but there’s only so much “universe” humans can reach, and it’s not like anything on Earth just makes water.