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Time travel is not forbidden by the laws of nature, but to build a time machine, we would need to understand more about those laws and how to subvert them than we do now. And every day, science does learn more.
Watch How to Build a Time Machine on the BBC: https://bbc.in/2zhdIJY
How to Build a Time Machine | Horizon | BBC
Peggy Whitson was the first woman to time travel and this is how she did it - BBC ─ BBC
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