What Would It Take to Build a Time Machine? (Sci-fi Tech) [Idioma Inglés] - Softcover

Inhaltsangabe

In science fiction, time machines let people travel backward in history and forward to the future. How could one of these time-traveling devices be created? Scientists have some ideas, which include using spaceships and black holes. Discover the science and technology behind what it would take to make a real-life time machine!

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