3 ms·

Hydrogen

• csullivannet 7mo ago
  What do you do with the hydrogen once you're back
  • anabab 7mo ago
    fresh water
  • jonplackett 7mo ago
    Explode it
  • xuki 7mo ago
    Send it to the sun to get more helium!
    • naruhodo 7mo ago
      Fill it with hydrogen and just squeeze really hard.