english: And so we decided that what it really is is that it is entirely materially closed -- that is, nothing goes in or out at all, no material -- and energetically open, which is essentially what planet Earth is.
non_english: I onda smo odlučili da je ona u stvari potpuno materijalno zatvorena to jest, ništa ne ulazi u nju, niti je napušta, nikakav materijal, ali je otvorena po pitanju energije. Što je u suštini ono što je i planeta Zemlja.