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Snickers
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I'm not a Physicist, I just have this question that has bothered me for a long time. This came up again recently when I was listening to some people talking about evolution.
We know the universe is expanding, and we know that time is stretched with it. So if I'm looking back a million years, it's not that long a million years ago. As a thought experiment I make a time machine, and set it to travel back in time a million years. When I want to travel forward again, how much time do I set the machine to travel forward back to my own time?
We know the universe is expanding, and we know that time is stretched with it. So if I'm looking back a million years, it's not that long a million years ago. As a thought experiment I make a time machine, and set it to travel back in time a million years. When I want to travel forward again, how much time do I set the machine to travel forward back to my own time?