In science fiction stories, black holes are often gateways to these vermiform travel tubes
[DOC] [TLE] Sc1ence Part 1 Flashcards | Quizlet [PAR] SCIENCE TERMS $400: O2 is a diatomic one of these units of a pure substance; 
... Law using a simple tube & a stick; pushing the stick reduces the volume of air 
and .... SCIENCE FICTION $200: The central character in this 1953 novel by Ray 
...... fiction stories, black holes are often gateways to these vermiform travel tubes.