Specifically, I think the abilty to make hydrogren from renewable resources at large-scale will change everything. Hydrogen fuel cells are more space efficient, and require less toxic manufacturing, when compared to current renewable energy generation and storage methods. If hydrogen is seen as cheaper or more green than other power sources, it will change the market completely.
Hydrogen generation is also an active research area, and just this year they’ve have some promising results for renewable hydrogen.
Maybe, but that would defeate the purpose.
Tails is secure because it is a packaged distribution that allows you to do a lot of stuff privately, like browse, email, download, and upload.
Installing a video game doesn’t break the other stuff; you can still do that. But that additional software is an avenue for malicious actors to get in to your system, that the tailsOS team didn’t test