> we can extract energy from anything flammable or otherwise reactant.
You don’t need that either. Stacking concrete blocks can work as a battery: https://www.youtube.com/watch?v=mmrwdTGZxGk
You don’t need that either. Stacking concrete blocks can work as a battery: https://www.youtube.com/watch?v=mmrwdTGZxGk
Now excuse me while I go feed little Duracell. Good girl!