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Physics 19 Online
OpenStudy (praxer):

Can anyone help me understand in simple terms about the Pear shaped model of time .

OpenStudy (praxer):

i am taking about the shape of time. http://blogs.nimblebrain.net/media/blogs/ritchie/pear_shape_of_time.jpg can you explain me this in simple precise terms. If you are familiar with this model.

OpenStudy (hoblos):

I'm not sure that I can help with this, sorry. maybe @TuringTest can help you.

OpenStudy (turingtest):

I've never heard this theory before, so I'm watching this http://asankhaya.blogspot.mx/2012/05/time-travel-nature-and-shape-of-time.html

OpenStudy (turingtest):

pretty good explanation in the embedded video at about 4 minutes. The point is that light is bent by matter, and if we follow light from the big bang to an observer today, as you look farther and farther away, you see a wider area of the night sky, and farther into the past, hence the conical stricture of the majority of the "pear shape" (I personally think it looks more like a teardrop, but whatever)

OpenStudy (praxer):

Which means that if we travel with the speed of light than time travel is possible. :P

OpenStudy (turingtest):

|dw:1396044442520:dw|just like as your gets farther from your nose, it looks smaller, so does the night sky. It curves back inwards, however, when you go so far back in time that there *wasn't even that much space in the universe*. Then your whole view closes in on a very tiny area. hence the shrinking of the cone at the farthest end

OpenStudy (turingtest):

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