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From: Jonathan de Boyne Pollard on 20 Mar 2010 13:05
>
>>>
>>> Either way, you're going to arrive travelling at about 2000 km/h, or
>>> somewhat in excess of half a kilometre per second. (I haven't done
>>> the precise calculation for Perth, but this figure is near enough.)
>>> The only choice you have is whether to arrive facing forward, or
>>> (perhaps better) travelling backwards with your eyes shut.
>>>
>> It does make one wonder what the effects of General Relativity would
>> be on one of Dan Simmons' farcasters.
>>
> The transworld teleportation problem would require some method of
> cancelling speed or acceleration. If you want to come to rest relative
> to the ground in, say, 1 second, you would need a deceleration of
> about 100g, which would do wonders for your internal organs.
>
I wonder more about what would occur were that not cancelled. What
would be the General Relativistic effects of such a direct link between
two different accelerated frames of reference? What if the two sides of
the farcaster were (as in the stories) on two different planets, and
thus not rotating about a common axis? Substitute a wormhole of zero
internal length for a farcaster if you like. What would be the effect
on the internal space-time of a wormhole if both mouths were rotating?
What about if one mouth were rotating and the other not?
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