Time Travel
Three Bean Salad
00:00
The Importance of Time Travel
"You can't organise things like time travel without major.major problems," he says. "If you're in Egypt, 2000 BC, you probably still won't be near a pyramid." He adds that on most of the surface of the planet, stuff doesn't really change over the centuries. 'What I'm saying is, don't just think about the time coordinates, think about the spatial coordinates'
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