Not at all It was difficult to achieve a near vacuum not many years ago. It was difficult for mankind to understand cavitation in a fluid volume, and still is. It is possible, however difficult, to draw even space from a given area. This seems incomprehensible, but with current understanding and technology, and the unification of civilization toward intergalactic society it is possible to do in just a few decades today what would have been said to be impossible just 10 short years ago. We live in an age of wonders friend https://en.wikipedia.org/wiki/Salvatore_Pais