yeti

@yeti

active 1 week, 5 days ago
  • yeti posted a new activity comment 1 week, 5 days ago

    It isn’t as hard as people think – rockets are a very poor way of doing it. It comes down to the fact that you need rocket fuel and reaction mass to push the rocket, and you need more rocket fuel and reaction mass to push that rocket fuel etc etc.

    If there was a solid road to push against you wouldn’t need reaction mass, or reaction mass to…[Read more]