The Twin Paradox - 60-Second Adventures in Thought (5/6)
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Uploaded by OUlearn on Oct 3, 2011
Free learning from The Open University http://www.open.ac.uk/openlearn/history-the-arts/culture/philosophy
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An identical twin in space illustrates Einstein's special theory of relativity.
(Part 5 of 6)
Playlist link - http://www.youtube.com/playlist?list=PL73A886F2DD959FF1
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- 181 likes, 3 dislikes
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Top Comments
All Comments (29)
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@hobbified which is why satellites have atomic clocks...
what u gonna do bout it?
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@Dathinkingman you would have to be traveling around the speed of light to see a paradox like this.
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@GMPiccolo did they need to? you obviously saw the guy get older... thats the twin paradox.....
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They just explained the time-dilation, and not the paradox itself
4 weeks ago 2
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I f ur taveling at 200 mph through ur neighborhood, and u wave ur hand, you cross 70 homes as u wave ur hand. if ur traveling at 2 mph, and u wave ur hand then u cross not even half a house, get the point?
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this one is not really a paradox. it can happen very easily. and probably we will see a lot of such cases in future when we invent faster spaceships
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although funny, a lot wrong things in it
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I wish this had more views than the top viewed videos on youtube, just imagine what society would look like if that were true.
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It's not really true that time dilation "provides the basis" for GPS — accurate timekeeping and triangulation provide the basis for GPS. Time dilation is an effect that *has to be corrected for* in GPS; otherwise the satellites wouldn't keep time accurately and all of the positions would be wrong.
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None of these are 60 sec.
2 months ago in playlist 60 Second Adventures in Thought 5
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Cool, Very cool videos, keep up the good work
signedadam 4 months ago 39
The paradox is that the traveling twin should also see his brother aging more slowly since movement is relative, and there is no reason why the earth-based frame should be considered sacred. How can both twins see each other aging more slowly than themselves. The answer is that one twin must undergo acceleration to physically return to the other twin. The acceleration indicates a change of inertial frames, and so the twin who turns around to come back will not be in the same frame consistently
bkraz333 4 months ago 15