00:00Think about the time machine. If we can change the time machine, then what can we change?
00:04Can we change our attitude or change our attitude?
00:07Science says that time travel can be possible, but it can be very dangerous.
00:13If we can change a person in the past, then it will change the future.
00:19If we can change the future, then we can change the future.
00:23So many changes can change the world.
00:27But the most surprising thing is that scientists think that we have a signal from the future.
00:32What was the signal?
00:34What was the time machine?
00:35Let's watch part 2.
00:38If you know it, please comment.
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